diff --git a/src/platform/qt/ts/mgba-ja.ts b/src/platform/qt/ts/mgba-ja.ts
index bd56fc573..f4d0046ea 100644
--- a/src/platform/qt/ts/mgba-ja.ts
+++ b/src/platform/qt/ts/mgba-ja.ts
@@ -221,37 +221,37 @@ Game Boy Advance is a registered trademark of Nintendo Co., Ltd.</source>
     <message>
         <location filename="../DolphinConnector.ui" line="14"/>
         <source>Connect to Dolphin</source>
-        <translation type="unfinished"></translation>
+        <translation>Dolphinに接続する</translation>
     </message>
     <message>
         <location filename="../DolphinConnector.ui" line="23"/>
         <source>Local computer</source>
-        <translation type="unfinished"></translation>
+        <translation>ローカルコンピュータ</translation>
     </message>
     <message>
         <location filename="../DolphinConnector.ui" line="36"/>
         <source>IP address</source>
-        <translation type="unfinished"></translation>
+        <translation>IPアドレス</translation>
     </message>
     <message>
         <location filename="../DolphinConnector.ui" line="55"/>
         <source>Connect</source>
-        <translation type="unfinished"></translation>
+        <translation>接続</translation>
     </message>
     <message>
         <location filename="../DolphinConnector.ui" line="68"/>
         <source>Disconnect</source>
-        <translation type="unfinished"></translation>
+        <translation>切断</translation>
     </message>
     <message>
         <location filename="../DolphinConnector.ui" line="78"/>
         <source>Close</source>
-        <translation type="unfinished"></translation>
+        <translation>閉じる</translation>
     </message>
     <message>
         <location filename="../DolphinConnector.ui" line="90"/>
         <source>Reset on connect</source>
-        <translation type="unfinished"></translation>
+        <translation>接続時にリセット</translation>
     </message>
 </context>
 <context>
@@ -508,7 +508,7 @@ Game Boy Advance is a registered trademark of Nintendo Co., Ltd.</source>
     <message>
         <location filename="../LogView.ui" line="108"/>
         <source>Advanced settings</source>
-        <translation type="unfinished"></translation>
+        <translation>高度な設定</translation>
     </message>
     <message>
         <location filename="../LogView.ui" line="128"/>
@@ -1685,7 +1685,7 @@ Game Boy Advance is a registered trademark of Nintendo Co., Ltd.</source>
         <location filename="../IOViewer.cpp" line="212"/>
         <location filename="../IOViewer.cpp" line="221"/>
         <source>Integer part (low)</source>
-        <translation type="unfinished"></translation>
+        <translation>整数部分（低）</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="178"/>
@@ -1693,7 +1693,7 @@ Game Boy Advance is a registered trademark of Nintendo Co., Ltd.</source>
         <location filename="../IOViewer.cpp" line="216"/>
         <location filename="../IOViewer.cpp" line="225"/>
         <source>Integer part (high)</source>
-        <translation type="unfinished"></translation>
+        <translation>整数部分（高）</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="229"/>
@@ -2403,7 +2403,7 @@ Game Boy Advance is a registered trademark of Nintendo Co., Ltd.</source>
         <location filename="../IOViewer.cpp" line="696"/>
         <location filename="../IOViewer.cpp" line="704"/>
         <source>Address (low)</source>
-        <translation type="unfinished"></translation>
+        <translation>アドレス（低）</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="565"/>
@@ -2415,53 +2415,53 @@ Game Boy Advance is a registered trademark of Nintendo Co., Ltd.</source>
         <location filename="../IOViewer.cpp" line="700"/>
         <location filename="../IOViewer.cpp" line="708"/>
         <source>Address (high)</source>
-        <translation type="unfinished"></translation>
+        <translation>アドレス（高）</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1116"/>
         <location filename="../IOViewer.cpp" line="1139"/>
         <location filename="../IOViewer.cpp" line="1166"/>
         <source>Sound frequency (low)</source>
-        <translation type="unfinished"></translation>
+        <translation>音の周波数（低）</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1120"/>
         <location filename="../IOViewer.cpp" line="1143"/>
         <location filename="../IOViewer.cpp" line="1170"/>
         <source>Sound frequency (high)</source>
-        <translation type="unfinished"></translation>
+        <translation>音の周波数（高）</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1424"/>
         <source>Source (high)</source>
-        <translation type="unfinished"></translation>
+        <translation>ソース（高）</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1428"/>
         <source>Source (low)</source>
-        <translation type="unfinished"></translation>
+        <translation>ソース（低）</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1432"/>
         <source>Destination (high)</source>
-        <translation type="unfinished"></translation>
+        <translation>目的地（高）</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1436"/>
         <source>Destination (low)</source>
-        <translation type="unfinished"></translation>
+        <translation>目的地（低）</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1499"/>
         <location filename="../IOViewer.cpp" line="1511"/>
         <source>Green (low)</source>
-        <translation type="unfinished"></translation>
+        <translation>グリーン（低）</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1500"/>
         <location filename="../IOViewer.cpp" line="1512"/>
         <source>Green (high)</source>
-        <translation type="unfinished"></translation>
+        <translation>グリーン（高）</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="577"/>
@@ -2952,57 +2952,57 @@ Game Boy Advance is a registered trademark of Nintendo Co., Ltd.</source>
     <message>
         <location filename="../IOViewer.cpp" line="1034"/>
         <source>Right/A</source>
-        <translation type="unfinished"></translation>
+        <translation>右/A</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1035"/>
         <source>Left/B</source>
-        <translation type="unfinished"></translation>
+        <translation>左/B</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1036"/>
         <source>Up/Select</source>
-        <translation type="unfinished"></translation>
+        <translation>上/セレクト</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1037"/>
         <source>Down/Start</source>
-        <translation type="unfinished"></translation>
+        <translation>下/スタート</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1038"/>
         <source>Active D-pad</source>
-        <translation type="unfinished"></translation>
+        <translation>有効の十字キー</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1039"/>
         <source>Active face buttons</source>
-        <translation type="unfinished"></translation>
+        <translation>有効のフェイスボタン</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1047"/>
         <source>Internal clock</source>
-        <translation type="unfinished"></translation>
+        <translation>内部時計</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1048"/>
         <source>32× clocking (CGB only)</source>
-        <translation type="unfinished"></translation>
+        <translation>32×クロッキング（CGBのみ）</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1049"/>
         <source>Transfer active</source>
-        <translation type="unfinished"></translation>
+        <translation>転送有効中</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1067"/>
         <source>Divider</source>
-        <translation type="unfinished"></translation>
+        <translation>仕切り</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1069"/>
         <source>1/16</source>
-        <translation type="unfinished">4K {1/16?}</translation>
+        <translation>1/16</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1092"/>
@@ -3014,49 +3014,49 @@ Game Boy Advance is a registered trademark of Nintendo Co., Ltd.</source>
         <location filename="../IOViewer.cpp" line="1093"/>
         <location filename="../IOViewer.cpp" line="1554"/>
         <source>Timer</source>
-        <translation type="unfinished"></translation>
+        <translation>タイマー</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1094"/>
         <location filename="../IOViewer.cpp" line="1555"/>
         <source>Serial</source>
-        <translation type="unfinished"></translation>
+        <translation>シリアル</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1095"/>
         <location filename="../IOViewer.cpp" line="1556"/>
         <source>Joypad</source>
-        <translation type="unfinished"></translation>
+        <translation>ゲームパッド</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1202"/>
         <source>Volume right</source>
-        <translation type="unfinished"></translation>
+        <translation>音量右</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1203"/>
         <source>Output right</source>
-        <translation type="unfinished"></translation>
+        <translation>右出力</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1204"/>
         <source>Volume left</source>
-        <translation type="unfinished"></translation>
+        <translation>音量左</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1205"/>
         <source>Output left</source>
-        <translation type="unfinished"></translation>
+        <translation>左出力</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1326"/>
         <source>Background enable/priority</source>
-        <translation type="unfinished"></translation>
+        <translation>背景の有効化/優先度</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1327"/>
         <source>Enable sprites</source>
-        <translation type="unfinished"></translation>
+        <translation>スプライトを有効にする</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1328"/>
@@ -3066,49 +3066,49 @@ Game Boy Advance is a registered trademark of Nintendo Co., Ltd.</source>
     <message>
         <location filename="../IOViewer.cpp" line="1329"/>
         <source>Background tile map</source>
-        <translation type="unfinished"></translation>
+        <translation>背景タイルマップ</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1330"/>
         <location filename="../IOViewer.cpp" line="1339"/>
         <source>0x9800 – 0x9BFF</source>
-        <translation type="unfinished"></translation>
+        <translation type="unfinished">0x9800 – 0x9BFF</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1331"/>
         <location filename="../IOViewer.cpp" line="1340"/>
         <source>0x9C00 – 0x9FFF</source>
-        <translation type="unfinished"></translation>
+        <translation type="unfinished">0x9C00 – 0x9FFF</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1333"/>
         <source>Background tile data</source>
-        <translation type="unfinished"></translation>
+        <translation>背景タイルデータ</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1334"/>
         <source>0x8800 – 0x87FF</source>
-        <translation type="unfinished"></translation>
+        <translation type="unfinished">0x8800 – 0x87FF</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1335"/>
         <source>0x8000 – 0x8FFF</source>
-        <translation type="unfinished"></translation>
+        <translation type="unfinished">0x8000 – 0x8FFF</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1337"/>
         <source>Enable window</source>
-        <translation type="unfinished"></translation>
+        <translation>ウィンドウを有効にする</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1338"/>
         <source>Window tile map</source>
-        <translation type="unfinished"></translation>
+        <translation>ウィンドウタイルマップ</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1342"/>
         <source>Enable LCD</source>
-        <translation type="unfinished"></translation>
+        <translation>LCDを有効にする</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1346"/>
@@ -3118,22 +3118,22 @@ Game Boy Advance is a registered trademark of Nintendo Co., Ltd.</source>
     <message>
         <location filename="../IOViewer.cpp" line="1347"/>
         <source>0: HBlank</source>
-        <translation type="unfinished"></translation>
+        <translation type="unfinished">0: HBlank</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1348"/>
         <source>1: VBlank</source>
-        <translation type="unfinished"></translation>
+        <translation type="unfinished">1: VBlank</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1349"/>
         <source>2: OAM scan</source>
-        <translation type="unfinished"></translation>
+        <translation>2: OAMスキャン</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1350"/>
         <source>3: HDraw</source>
-        <translation type="unfinished"></translation>
+        <translation type="unfinished">3: HDraw</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1352"/>
@@ -3143,150 +3143,150 @@ Game Boy Advance is a registered trademark of Nintendo Co., Ltd.</source>
     <message>
         <location filename="../IOViewer.cpp" line="1353"/>
         <source>Enable HBlank (mode 0) IRQ</source>
-        <translation type="unfinished"></translation>
+        <translation>HBlank（モード0）IRQを有効にする</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1354"/>
         <source>Enable VBlank (mode 1) IRQ</source>
-        <translation type="unfinished"></translation>
+        <translation>VBlank（モード1）IRQを有効にする</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1355"/>
         <source>Enable OAM (mode 2) IRQ</source>
-        <translation type="unfinished"></translation>
+        <translation>OAM（モード2）IRQを有効にする</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1356"/>
         <source>Enable LYC IRQ</source>
-        <translation type="unfinished"></translation>
+        <translation>LYC IRQを有効にする</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1368"/>
         <source>Current Y coordinate</source>
-        <translation type="unfinished"></translation>
+        <translation>現在のY座標</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1372"/>
         <source>Comparison Y coordinate</source>
-        <translation type="unfinished"></translation>
+        <translation>比較Y座標</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1376"/>
         <source>Start upper byte</source>
-        <translation type="unfinished"></translation>
+        <translation>上位バイトを開始</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1380"/>
         <location filename="../IOViewer.cpp" line="1387"/>
         <location filename="../IOViewer.cpp" line="1394"/>
         <source>Color 0 shade</source>
-        <translation type="unfinished"></translation>
+        <translation>カラー0 シェード</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1381"/>
         <location filename="../IOViewer.cpp" line="1388"/>
         <location filename="../IOViewer.cpp" line="1395"/>
         <source>Color 1 shade</source>
-        <translation type="unfinished"></translation>
+        <translation>カラー1 シェード</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1382"/>
         <location filename="../IOViewer.cpp" line="1389"/>
         <location filename="../IOViewer.cpp" line="1396"/>
         <source>Color 2 shade</source>
-        <translation type="unfinished"></translation>
+        <translation>カラー2 シェード</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1383"/>
         <location filename="../IOViewer.cpp" line="1390"/>
         <location filename="../IOViewer.cpp" line="1397"/>
         <source>Color 3 shade</source>
-        <translation type="unfinished"></translation>
+        <translation>カラー3 シェード</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1411"/>
         <source>Prepare to switch speed</source>
-        <translation type="unfinished"></translation>
+        <translation>速度を切り替える準備をする</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1412"/>
         <source>Double speed</source>
-        <translation type="unfinished"></translation>
+        <translation>２倍速</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1418"/>
         <source>VRAM bank</source>
-        <translation type="unfinished"></translation>
+        <translation>VRAMバンク</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1440"/>
         <source>Length</source>
-        <translation type="unfinished"></translation>
+        <translation>長さ</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1441"/>
         <source>Timing</source>
-        <translation type="unfinished"></translation>
+        <translation>タイミング</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1448"/>
         <source>Write bit</source>
-        <translation type="unfinished"></translation>
+        <translation>書き込みビット</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1449"/>
         <source>Read bit</source>
-        <translation type="unfinished"></translation>
+        <translation>読み込みビット</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1452"/>
         <location filename="../IOViewer.cpp" line="1453"/>
         <source>Unknown</source>
-        <translation type="unfinished"></translation>
+        <translation>不明</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1493"/>
         <location filename="../IOViewer.cpp" line="1505"/>
         <source>Current index</source>
-        <translation type="unfinished"></translation>
+        <translation>現在のインデックス</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1494"/>
         <location filename="../IOViewer.cpp" line="1506"/>
         <source>Auto-increment</source>
-        <translation type="unfinished"></translation>
+        <translation>自動増加</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1498"/>
         <location filename="../IOViewer.cpp" line="1510"/>
         <source>Red</source>
-        <translation type="unfinished">Red</translation>
+        <translation>赤</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1501"/>
         <location filename="../IOViewer.cpp" line="1513"/>
         <source>Blue</source>
-        <translation type="unfinished">Blue</translation>
+        <translation>青</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1517"/>
         <source>Sprite ordering</source>
-        <translation type="unfinished"></translation>
+        <translation>スプライトの順番</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1518"/>
         <source>OAM order</source>
-        <translation type="unfinished"></translation>
+        <translation>OAM 順番</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1519"/>
         <source>x coordinate sorting</source>
-        <translation type="unfinished"></translation>
+        <translation>x座標の並べ替え</translation>
     </message>
     <message>
         <location filename="../IOViewer.cpp" line="1530"/>
         <source>WRAM bank</source>
-        <translation type="unfinished"></translation>
+        <translation>WRAMバンク</translation>
     </message>
 </context>
 <context>
@@ -3772,12 +3772,12 @@ Game Boy Advance is a registered trademark of Nintendo Co., Ltd.</source>
     <message>
         <location filename="../SaveConverter.cpp" line="39"/>
         <source>Save games and save states (%1)</source>
-        <translation type="unfinished"></translation>
+        <translation>ゲームとステートをセーブ（％1）</translation>
     </message>
     <message>
         <location filename="../SaveConverter.cpp" line="40"/>
         <source>Select save game or save state</source>
-        <translation type="unfinished"></translation>
+        <translation>セーブゲームまたはステートセーブを選択</translation>
     </message>
     <message>
         <location filename="../SaveConverter.cpp" line="52"/>