What are some use cases of ML Kit in AR/VR (Games/Apps)?

I'm currently evaluating google's ML Kit for the possible use-cases in AR/VR space. It currently offers

Text recognition,
Face detection,
Barcode scanning,
Image labeling,
Object detection and tracking,
Smart reply,
Text translation,
Language identification

Can someone share their views on the above offered features and what are the common use-cases in gaming and app space?