App theme changing

[TIMAI2]

Perhaps this:

Barstool (Status & Navigation Bar Tool)

This is simple extension to change status and navigation bar as your need. By using this extension you are able to : Change status bar text color (1 for light / 2 for dark) Change navigation bar icon color (1 for light / 2 for dark) Make status bar fully transparent Set status bar visibility (True / False) Set navigation bar visibility (True / False) Change color of status and navigation bar [MIT App Inventor(3)] com.xtiger.barstool