diff --git a/README.md b/README.md
index d443c2d..e20d769 100644
--- a/README.md
+++ b/README.md
@@ -172,6 +172,9 @@ PC program source files are located under `./software/pc/`. The compiled program
 
 ### Android
 
-<img src="./imgs/screenshot_connect.png" alt="screenshot_connect" width="300"/>
+<img src="./imgs/screenshot_wifi.png" alt="screenshot_wifi" width="300"/>
+<img src="./imgs/screenshot_bluetooth.png" alt="screenshot_bluetooth" width="300"/>
 
-<img src="./imgs/screenshot_control.png" alt="screenshot_control" width="600"/>
+<img src="./imgs/screenshot_control1.png" alt="screenshot_control1" width="600"/>
+
+<img src="./imgs/screenshot_control2.png" alt="screenshot_control2" width="600"/>
diff --git a/imgs/screenshot_bluetooth.png b/imgs/screenshot_bluetooth.png
new file mode 100644
index 0000000..4ef6df7
Binary files /dev/null and b/imgs/screenshot_bluetooth.png differ
diff --git a/imgs/screenshot_connect.png b/imgs/screenshot_connect.png
deleted file mode 100644
index a991b98..0000000
Binary files a/imgs/screenshot_connect.png and /dev/null differ
diff --git a/imgs/screenshot_control.png b/imgs/screenshot_control.png
deleted file mode 100644
index 69a6d45..0000000
Binary files a/imgs/screenshot_control.png and /dev/null differ
diff --git a/imgs/screenshot_control1.png b/imgs/screenshot_control1.png
new file mode 100644
index 0000000..deca4ee
Binary files /dev/null and b/imgs/screenshot_control1.png differ
diff --git a/imgs/screenshot_control2.png b/imgs/screenshot_control2.png
new file mode 100644
index 0000000..0374f05
Binary files /dev/null and b/imgs/screenshot_control2.png differ
diff --git a/imgs/screenshot_wifi.png b/imgs/screenshot_wifi.png
new file mode 100644
index 0000000..5dfeb70
Binary files /dev/null and b/imgs/screenshot_wifi.png differ