diff --git a/examples/widgets/graphicsview/collidingmice/main.cpp b/examples/widgets/graphicsview/collidingmice/main.cpp
index ef6d6cca644..c9ad90260f2 100644
--- a/examples/widgets/graphicsview/collidingmice/main.cpp
+++ b/examples/widgets/graphicsview/collidingmice/main.cpp
@@ -58,6 +58,9 @@ static constexpr int MouseCount = 7;
 //! [0]
 int main(int argc, char **argv)
 {
+#ifdef Q_OS_ANDROID
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+#endif
     QApplication app(argc, argv);
 //! [0]
 
diff --git a/examples/widgets/graphicsview/diagramscene/main.cpp b/examples/widgets/graphicsview/diagramscene/main.cpp
index eefaa865540..3e321259c50 100644
--- a/examples/widgets/graphicsview/diagramscene/main.cpp
+++ b/examples/widgets/graphicsview/diagramscene/main.cpp
@@ -55,6 +55,9 @@
 int main(int argv, char *args[])
 {
     Q_INIT_RESOURCE(diagramscene);
+#ifdef Q_OS_ANDROID
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+#endif
 
     QApplication app(argv, args);
     MainWindow mainWindow;
diff --git a/examples/widgets/itemviews/addressbook/main.cpp b/examples/widgets/itemviews/addressbook/main.cpp
index 0731287cdd3..86a11c58504 100644
--- a/examples/widgets/itemviews/addressbook/main.cpp
+++ b/examples/widgets/itemviews/addressbook/main.cpp
@@ -55,6 +55,9 @@
 //! [0]
 int main(int argc, char *argv[])
 {
+#ifdef Q_OS_ANDROID
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+#endif
     QApplication app(argc, argv);
     MainWindow mw;
     mw.show();
diff --git a/examples/widgets/itemviews/spreadsheet/main.cpp b/examples/widgets/itemviews/spreadsheet/main.cpp
index 548dc8d6045..968312d097a 100644
--- a/examples/widgets/itemviews/spreadsheet/main.cpp
+++ b/examples/widgets/itemviews/spreadsheet/main.cpp
@@ -56,6 +56,10 @@
 int main(int argc, char **argv)
 {
     Q_INIT_RESOURCE(spreadsheet);
+#ifdef Q_OS_ANDROID
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+#endif
+
     QApplication app(argc, argv);
     SpreadSheet sheet(10, 6);
     sheet.setWindowIcon(QPixmap(":/images/interview.png"));
diff --git a/examples/widgets/mainwindows/application/main.cpp b/examples/widgets/mainwindows/application/main.cpp
index 78db7134a33..b46e1116dc6 100644
--- a/examples/widgets/mainwindows/application/main.cpp
+++ b/examples/widgets/mainwindows/application/main.cpp
@@ -58,6 +58,9 @@
 int main(int argc, char *argv[])
 {
     Q_INIT_RESOURCE(application);
+#ifdef Q_OS_ANDROID
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+#endif
 
     QApplication app(argc, argv);
     QCoreApplication::setOrganizationName("QtProject");
diff --git a/examples/widgets/mainwindows/dockwidgets/main.cpp b/examples/widgets/mainwindows/dockwidgets/main.cpp
index ff3ba506a8b..bf3ad9bcf76 100644
--- a/examples/widgets/mainwindows/dockwidgets/main.cpp
+++ b/examples/widgets/mainwindows/dockwidgets/main.cpp
@@ -54,6 +54,9 @@
 
 int main(int argc, char *argv[])
 {
+#ifdef Q_OS_ANDROID
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+#endif
     QApplication app(argc, argv);
     Q_INIT_RESOURCE(dockwidgets);
     MainWindow mainWin;
diff --git a/examples/widgets/painting/affine/main.cpp b/examples/widgets/painting/affine/main.cpp
index 6ce8efe4825..641fc5c204f 100644
--- a/examples/widgets/painting/affine/main.cpp
+++ b/examples/widgets/painting/affine/main.cpp
@@ -55,7 +55,9 @@
 int main(int argc, char **argv)
 {
     Q_INIT_RESOURCE(affine);
-
+#ifdef Q_OS_ANDROID
+    qputenv("QT_SCALE_FACTOR", "2");
+#endif
     QApplication app(argc, argv);
 
     XFormWidget xformWidget(nullptr);
diff --git a/examples/widgets/painting/concentriccircles/main.cpp b/examples/widgets/painting/concentriccircles/main.cpp
index d9fa2879c44..00456195d90 100644
--- a/examples/widgets/painting/concentriccircles/main.cpp
+++ b/examples/widgets/painting/concentriccircles/main.cpp
@@ -54,6 +54,9 @@
 
 int main(int argc, char *argv[])
 {
+#ifdef Q_OS_ANDROID
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+#endif
     QApplication app(argc, argv);
     Window window;
     window.show();
diff --git a/examples/widgets/painting/fontsampler/main.cpp b/examples/widgets/painting/fontsampler/main.cpp
index 1bf46b226f2..cec6929827a 100644
--- a/examples/widgets/painting/fontsampler/main.cpp
+++ b/examples/widgets/painting/fontsampler/main.cpp
@@ -54,6 +54,9 @@
 
 int main(int argc, char *argv[])
 {
+#ifdef Q_OS_ANDROID
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+#endif
     QApplication app(argc, argv);
     MainWindow window;
     window.show();
diff --git a/examples/widgets/painting/gradients/main.cpp b/examples/widgets/painting/gradients/main.cpp
index 0ddf7a45797..7ffb0326e94 100644
--- a/examples/widgets/painting/gradients/main.cpp
+++ b/examples/widgets/painting/gradients/main.cpp
@@ -55,6 +55,9 @@
 int main(int argc, char *argv[])
 {
     Q_INIT_RESOURCE(gradients);
+#ifdef Q_OS_ANDROID
+    qputenv("QT_SCALE_FACTOR", "2");
+#endif
 
     QApplication app(argc, argv);
 
diff --git a/examples/widgets/painting/pathstroke/main.cpp b/examples/widgets/painting/pathstroke/main.cpp
index 57c85d73a32..35317480a38 100644
--- a/examples/widgets/painting/pathstroke/main.cpp
+++ b/examples/widgets/painting/pathstroke/main.cpp
@@ -55,6 +55,9 @@
 int main(int argc, char **argv)
 {
     Q_INIT_RESOURCE(pathstroke);
+#ifdef Q_OS_ANDROID
+    qputenv("QT_SCALE_FACTOR", "2");
+#endif
 
     QApplication app(argc, argv);
 
diff --git a/examples/widgets/tools/undo/main.cpp b/examples/widgets/tools/undo/main.cpp
index a5ec1b1b834..1a6dcf8c48d 100644
--- a/examples/widgets/tools/undo/main.cpp
+++ b/examples/widgets/tools/undo/main.cpp
@@ -54,6 +54,9 @@
 int main(int argc, char **argv)
 {
     Q_INIT_RESOURCE(undo);
+#ifdef Q_OS_ANDROID
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+#endif
 
     QApplication app(argc, argv);
 
diff --git a/examples/widgets/widgets/calculator/main.cpp b/examples/widgets/widgets/calculator/main.cpp
index a034bb262e4..5f59d00ca6e 100644
--- a/examples/widgets/widgets/calculator/main.cpp
+++ b/examples/widgets/widgets/calculator/main.cpp
@@ -54,6 +54,9 @@
 
 int main(int argc, char *argv[])
 {
+#ifdef Q_OS_ANDROID
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+#endif
     QApplication app(argc, argv);
     Calculator calc;
     calc.show();
diff --git a/examples/widgets/widgets/elidedlabel/main.cpp b/examples/widgets/widgets/elidedlabel/main.cpp
index 1c620c1d41d..58507766e7b 100644
--- a/examples/widgets/widgets/elidedlabel/main.cpp
+++ b/examples/widgets/widgets/elidedlabel/main.cpp
@@ -55,6 +55,9 @@
 //! [0]
 int main( int argc, char *argv[] )
 {
+#ifdef Q_OS_ANDROID
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+#endif
     QApplication application( argc, argv );
     TestWidget w;
     w.showFullScreen();
diff --git a/examples/widgets/widgets/scribble/main.cpp b/examples/widgets/widgets/scribble/main.cpp
index 1bf46b226f2..cec6929827a 100644
--- a/examples/widgets/widgets/scribble/main.cpp
+++ b/examples/widgets/widgets/scribble/main.cpp
@@ -54,6 +54,9 @@
 
 int main(int argc, char *argv[])
 {
+#ifdef Q_OS_ANDROID
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+#endif
     QApplication app(argc, argv);
     MainWindow window;
     window.show();
diff --git a/examples/widgets/widgets/sliders/main.cpp b/examples/widgets/widgets/sliders/main.cpp
index 99725195e5f..9bf18cb6d4c 100644
--- a/examples/widgets/widgets/sliders/main.cpp
+++ b/examples/widgets/widgets/sliders/main.cpp
@@ -54,6 +54,9 @@
 
 int main(int argc, char *argv[])
 {
+#ifdef Q_OS_ANDROID
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+#endif
     QApplication app(argc, argv);
     Window window;
     window.show();