If we activate "Read in background" of the Xiaomi smartphone, the app will continue reading without stopping when we change the app. But we are advised that this is an experimental feature and may contain errors.

Android 11 | MIUI 12.0
Step 1: Tap on  Settings
Step 2: Tap on  Additional settings
Step 3: Tap on  Accessibility
Step 4: Tap on  Vision
Step 5: Tap on  Select to Speak
Step 6: Tap on  Settings
Step 7: Enable or disable  Read in background
  1. Tap on Settings
  2. Tap on Additional settings
  3. Tap on Accessibility
  4. Tap on Vision
  5. Tap on Select to Speak
  6. Tap on Settings
  7. Enable or disable Read in background

Xiaomi Instructions