App for Android 11

[nazes123]

I had done everything and then was shocked because the app didn't work although Bluetooth was successfully connected. No data is sent to the watch. What can I do now😢? Is there any apps which can be used instead?

[Ant-on-way]

https://m.apkpure.com/de/retrowatch-smart-watch-client/com.hardcopy.retrowatch
Here it is

Can you help me?

#include <Adafruit_GFX.h>
^~~~~~~~~~~~~~~~
compilation terminated.

exit status 1

Compilation error: Adafruit_GFX.h: No such file or directory