This app was mentioned in 2 comments, with an average of 1.50 upvotes
You can use react-native-maps with CustomTiles now
I'm using it in my app with customTiles "aquarelle"
https://play.google.com/store/apps/details?id=com.ruesdeparis
C'est une appli a toi ? https://play.google.com/store/apps/details?id=com.ruesdeparis