diff --git a/include/config.h b/include/config.h
index a5d6a56e..b2deef98 100644
--- a/include/config.h
+++ b/include/config.h
@@ -45,7 +45,8 @@
 
 #define NET_FIGHT_SUPPORT
 
-//#define MOBILE_APP_UI
+/// Qt simple GUI like a mobile app (WIP)
+//#define QT_MOBILE_APP_UI
 
 //#define QT_UI_TEST_MODE
 
@@ -123,7 +124,7 @@
 #define PLAYER_DRAW_SEAT_NUMBER
 #endif
 
-#ifndef MOBILE_APP_UI
+#ifndef QT_MOBILE_APP_UI
 #define SAVE_GAMEBOOK_WHEN_ACTION_NEW_TRIGGERED
 #endif
 
diff --git a/millgame.pro b/millgame.pro
index 4d54b8cf..a09ed2a4 100644
--- a/millgame.pro
+++ b/millgame.pro
@@ -101,7 +101,7 @@ TRANSLATIONS += millgame-qt_zh_CN.ts
 DEFINES += DISABLE_PERFECT_AI
 
 # Mobile App support
-#DEFINES += MOBILE_APP_UI
+#DEFINES += QT_MOBILE_APP_UI
 
 # With C++17 support
 greaterThan(QT_MAJOR_VERSION, 4) {
diff --git a/src/ui/qt/boarditem.cpp b/src/ui/qt/boarditem.cpp
index 557e611d..91ffd0ba 100644
--- a/src/ui/qt/boarditem.cpp
+++ b/src/ui/qt/boarditem.cpp
@@ -90,24 +90,24 @@ void BoardItem::paint(QPainter *painter,
     Q_UNUSED(widget)
 
     // Fill shadow
-#ifndef MOBILE_APP_UI
+#ifndef QT_MOBILE_APP_UI
     QColor shadowColor(128, 42, 42);
     shadowColor.setAlphaF(0.3);
     painter->fillRect(boundingRect(), QBrush(shadowColor));
-#endif /* ! MOBILE_APP_UI */
+#endif /* ! QT_MOBILE_APP_UI */
 
     // Fill in picture
-#ifdef MOBILE_APP_UI
+#ifdef QT_MOBILE_APP_UI
     painter->setPen(Qt::NoPen);
     painter->setBrush(QColor(239, 239, 239));
     painter->drawRect(-size / 2, -size / 2, size, size);
 #else
     painter->drawPixmap(-size / 2, -size / 2, size, size,
                         QPixmap(":/image/resources/image/board.png"));
-#endif /* MOBILE_APP_UI */
+#endif /* QT_MOBILE_APP_UI */
 
     // Solid line brush
-#ifdef  MOBILE_APP_UI
+#ifdef  QT_MOBILE_APP_UI
     QPen pen(QBrush(QColor(241, 156, 159)), LINE_WEIGHT, Qt::SolidLine, Qt::SquareCap, Qt::BevelJoin);
 #else
     QPen pen(QBrush(QColor(178, 34, 34)), LINE_WEIGHT, Qt::SolidLine, Qt::SquareCap, Qt::BevelJoin);
diff --git a/src/ui/qt/game.cpp b/src/ui/qt/game.cpp
index eea2a3b8..6f6b35df 100644
--- a/src/ui/qt/game.cpp
+++ b/src/ui/qt/game.cpp
@@ -71,9 +71,9 @@ Game::Game(
     // The difference is that the background in view does not change with the view transformation, 
     // and the background in scene changes with the view transformation
     //scene.setBackgroundBrush(QPixmap(":/image/resources/image/background.png"));
-#ifdef MOBILE_APP_UI
+#ifdef QT_MOBILE_APP_UI
     scene.setBackgroundBrush(QColor(239, 239, 239));
-#endif /* MOBILE_APP_UI */
+#endif /* QT_MOBILE_APP_UI */
 
     //resetAiPlayers();
     createAiThreads();
@@ -877,7 +877,7 @@ bool Game::actionPiece(QPointF p)
 
     // When you click the chessboard while browsing the history, it is considered repentance
     if (currentRow != manualListModel.rowCount() - 1) {
-#ifndef MOBILE_APP_UI
+#ifndef QT_MOBILE_APP_UI
         // Define new dialog box
         QMessageBox msgBox;
         msgBox.setIcon(QMessageBox::Question);
@@ -890,7 +890,7 @@ bool Game::actionPiece(QPointF p)
         (msgBox.button(QMessageBox::Cancel))->setText(tr("No"));
 
         if (QMessageBox::Ok == msgBox.exec()) {
-#endif /* !MOBILE_APP_UI */
+#endif /* !QT_MOBILE_APP_UI */
             const int rowCount = manualListModel.rowCount();
             const int removeCount = rowCount - currentRow - 1;
             manualListModel.removeRows(currentRow + 1, rowCount - currentRow - 1);
@@ -909,11 +909,11 @@ bool Game::actionPiece(QPointF p)
                 updateScence();
                 message = QString::fromStdString(getTips());
                 emit statusBarChanged(message);
-#ifndef MOBILE_APP_UI
+#ifndef QT_MOBILE_APP_UI
             }
         } else {
             return false;
-#endif /* !MOBILE_APP_UI */
+#endif /* !QT_MOBILE_APP_UI */
         }
     }
 
diff --git a/src/ui/qt/gamewindow.cpp b/src/ui/qt/gamewindow.cpp
index 4a44c81f..cb960fd3 100644
--- a/src/ui/qt/gamewindow.cpp
+++ b/src/ui/qt/gamewindow.cpp
@@ -98,7 +98,7 @@ MillGameWindow::MillGameWindow(QWidget * parent) :
     const int unith = (deskTopRect.height() - height()) / 2;
     this->move(unitw, unith);
 
-#ifdef MOBILE_APP_UI
+#ifdef QT_MOBILE_APP_UI
     // Hide menu bar, toolbar, status bar, etc
     ui.menuBar->setVisible(false);
     ui.mainToolBar->setVisible(false);
@@ -185,7 +185,7 @@ void MillGameWindow::initialize()
     connect(ui.actionResign_G, SIGNAL(triggered()),
             game, SLOT(resign()));
 
-#ifdef MOBILE_APP_UI
+#ifdef QT_MOBILE_APP_UI
     connect(ui.pushButton_resign, SIGNAL(released()),
             game, SLOT(resign()));
 #endif
@@ -319,13 +319,13 @@ void MillGameWindow::initialize()
     connect(ui.actionPrevious_B, &QAction::triggered,
             this, &MillGameWindow::on_actionRowChange);
 
-#ifdef MOBILE_APP_UI
+#ifdef QT_MOBILE_APP_UI
     connect(ui.pushButton_retractMove, &QPushButton::released,
             this, &MillGameWindow::on_actionRowChange);
 
     connect(ui.pushButton_newGame, &QPushButton::released,
             this, &MillGameWindow::on_actionNew_N_triggered);
-#endif /* MOBILE_APP_UI */
+#endif /* QT_MOBILE_APP_UI */
 
     connect(ui.actionNext_F, &QAction::triggered,
             this, &MillGameWindow::on_actionRowChange);
@@ -341,7 +341,7 @@ void MillGameWindow::initialize()
     on_actionRowChange();
 
     // Set form size
-#ifdef MOBILE_APP_UI
+#ifdef QT_MOBILE_APP_UI
 #if 0
     const int screen_iPhone_XS_Max[] = {1242, 2688};
     const int screen_iPhone_XS[] = {1125, 2436};
@@ -356,7 +356,7 @@ void MillGameWindow::initialize()
 #endif
     const int screen_iPhone_SE[] = {640, 1136};
     this->resize(QSize(screen_iPhone_SE[0], screen_iPhone_SE[1]));
-#else /* MOBILE_APP_UI */
+#else /* QT_MOBILE_APP_UI */
 
     // Fix window size
     if (game->fixWindowSizeEnabled()) {
@@ -375,7 +375,7 @@ void MillGameWindow::initialize()
     ui.pushButton_resign->setVisible(false);
     ui.pushButton_retractMove->setVisible(false);
     ui.pushButton_hint->setVisible(false);
-#endif /* MOBILE_APP_UI */
+#endif /* QT_MOBILE_APP_UI */
 
 #ifdef SHOW_MAXIMIZED_ON_LOAD
     showMaximized();
@@ -383,10 +383,10 @@ void MillGameWindow::initialize()
                             Qt::WindowCloseButtonHint | Qt::WindowMinimizeButtonHint);
 #endif // SHOW_MAXIMIZED_ON_LOAD
 
-#ifdef MOBILE_APP_UI
+#ifdef QT_MOBILE_APP_UI
     ui.pushButton_option->setContextMenuPolicy(Qt::ActionsContextMenu);
     connect(ui.pushButton_option, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(ctxMenu(const QPoint &)));
-#endif /* MOBILE_APP_UI */
+#endif /* QT_MOBILE_APP_UI */
 
     ui.actionEngine1_T->setChecked(game->isAiPlayer[WHITE]);
     ui.actionEngine2_R->setChecked(game->isAiPlayer[BLACK]);    
@@ -409,14 +409,14 @@ void MillGameWindow::initialize()
     ui.actionDeveloperMode->setChecked(gameOptions.getDeveloperMode());
 }
 
-#ifdef MOBILE_APP_UI
+#ifdef QT_MOBILE_APP_UI
 void MillGameWindow::ctxMenu(const QPoint &pos)
 {
     QMenu *menu = new QMenu;
     menu->addAction(tr("Test Item"), this, SLOT(on_actionNew_N_triggered()));
     menu->exec(ui.pushButton_option->mapToGlobal(pos));
 }
-#endif /* MOBILE_APP_UI */
+#endif /* QT_MOBILE_APP_UI */
 
 void MillGameWindow::ruleInfo()
 {
@@ -751,9 +751,9 @@ void MillGameWindow::on_actionRowChange()
         if (obsender == ui.actionBegin_S) {
             ui.listView->setCurrentIndex(model->index(0, 0));
         } else if (obsender == ui.actionPrevious_B
-#ifdef MOBILE_APP_UI
+#ifdef QT_MOBILE_APP_UI
                    || obsender == ui.pushButton_retractMove
-#endif /* MOBILE_APP_UI */
+#endif /* QT_MOBILE_APP_UI */
                    ) {
             if (currentRow > 0) {
                 ui.listView->setCurrentIndex(model->index(currentRow - 1, 0));
@@ -1035,7 +1035,7 @@ void MillGameWindow::on_actionAbout_A_triggered()
     delete dialog;
 }
 
-#ifdef MOBILE_APP_UI
+#ifdef QT_MOBILE_APP_UI
 void MillGameWindow::mousePressEvent(QMouseEvent *mouseEvent)
 {
     if (mouseEvent->button() == Qt::LeftButton) {
@@ -1059,4 +1059,4 @@ void MillGameWindow::mouseReleaseEvent(QMouseEvent *mouseEvent)
         m_move = false;
     }
 }
-#endif /* MOBILE_APP_UI */
+#endif /* QT_MOBILE_APP_UI */
diff --git a/src/ui/qt/gamewindow.h b/src/ui/qt/gamewindow.h
index 318b0aba..f5b9187e 100644
--- a/src/ui/qt/gamewindow.h
+++ b/src/ui/qt/gamewindow.h
@@ -50,18 +50,18 @@ public:
 protected:
     bool eventFilter(QObject *watched, QEvent *event) override;
     void closeEvent(QCloseEvent *event) override;
-#ifdef MOBILE_APP_UI
+#ifdef QT_MOBILE_APP_UI
     void mousePressEvent(QMouseEvent *mouseEvent) override;
     void mouseMoveEvent(QMouseEvent *mouseEvent) override;
     void mouseReleaseEvent(QMouseEvent *mouseEvent) override;
-#endif /* MOBILE_APP_UI */
+#endif /* QT_MOBILE_APP_UI */
 
 private slots:
     void initialize();
 
-#ifdef MOBILE_APP_UI
+#ifdef QT_MOBILE_APP_UI
     void ctxMenu(const QPoint &pos);
-#endif /* MOBILE_APP_UI */
+#endif /* QT_MOBILE_APP_UI */
 
     void actionRules_triggered();
 
@@ -120,7 +120,7 @@ private:
     QFile file;
     QTimer autoRunTimer;
 
-#ifdef MOBILE_APP_UI
+#ifdef QT_MOBILE_APP_UI
     bool m_move {false};
     QPoint m_startPoint;
     QPoint m_windowPoint;
diff --git a/src/ui/qt/graphicsconst.h b/src/ui/qt/graphicsconst.h
index 100c4072..75dbd832 100644
--- a/src/ui/qt/graphicsconst.h
+++ b/src/ui/qt/graphicsconst.h
@@ -21,11 +21,11 @@
 
 #include "config.h"
 
-#ifdef MOBILE_APP_UI
+#ifdef QT_MOBILE_APP_UI
 constexpr short BOARD_SIZE = 500;
 #else
 constexpr short BOARD_SIZE = 550;
-#endif /* MOBILE_APP_UI */
+#endif /* QT_MOBILE_APP_UI */
 
 constexpr short BOARD_MINISIZE = 150; // Minimum width and height, i.e. 1 / 4 Size
 constexpr short PIECE_SIZE = 56;
diff --git a/src/ui/qt/pieceitem.cpp b/src/ui/qt/pieceitem.cpp
index ef771dce..756afe1c 100644
--- a/src/ui/qt/pieceitem.cpp
+++ b/src/ui/qt/pieceitem.cpp
@@ -48,11 +48,11 @@ PieceItem::PieceItem(QGraphicsItem *parent) :
 
     removeLineWeight = LINE_WEIGHT * 5;
 
-#ifdef MOBILE_APP_UI
+#ifdef QT_MOBILE_APP_UI
     selectLineColor = Qt::gray;
 #else
     selectLineColor = Qt::darkYellow;
-#endif /* MOBILE_APP_UI */
+#endif /* QT_MOBILE_APP_UI */
 
     removeLineColor = QColor(227, 23, 13);
     removeLineColor.setAlphaF(0.9);
@@ -84,26 +84,26 @@ void PieceItem::paint(QPainter *painter,
     switch (model) {
     case Models::whitePiece:
         // If the model is white, draw white pieces
-#ifdef MOBILE_APP_UI
+#ifdef QT_MOBILE_APP_UI
         painter->setPen(Qt::NoPen);
         painter->setBrush(QColor(0, 93, 172));
         painter->drawEllipse(-size / 2, -size / 2, size, size);
 #else
         painter->drawPixmap(-size / 2, -size / 2, size, size,
             QPixmap(":/image/resources/image/white_piece.png"));
-#endif /* MOBILE_APP_UI */
+#endif /* QT_MOBILE_APP_UI */
         break;
 
     case Models::blackPiece:
         // If the model is black, draw black pieces
-#ifdef MOBILE_APP_UI
+#ifdef QT_MOBILE_APP_UI
         painter->setPen(Qt::NoPen);
         painter->setBrush(QColor(231, 36, 46));
         painter->drawEllipse(-size / 2, -size / 2, size, size);
 #else
         painter->drawPixmap(-size / 2, -size / 2, size, size,
             QPixmap(":/image/resources/image/black_piece.png"));
-#endif /* MOBILE_APP_UI */
+#endif /* QT_MOBILE_APP_UI */
         break;
     default:
         break;