The "Screen Off" option while pressing the power button was removed in this version.
If you are looking for specific content or streaming apps on your Xiaomi smart TV: Open the Google Play Store from your TV's app drawer. miui tv version 1.0.2 apk download
The "Multimedia Player" was rebranded as "Media Player," though the core user interface remained familiar. How to Install MIUI TV 1.0.2 APK The "Screen Off" option while pressing the power