I’ve made an Android app for random generators. At the moment, it has generators for The Perilous Wilds, Stars Without Number, Maze Rats, and a few others. The app is free and open-source. Enjoy!
Here’s the main page:
https://stevesea.github.io/Adventuresmith/
Or, a link directly to the Google Play store
https://play.google.com/store/apps/details?id=org.steavesea.adventuresmith
https://play.google.com/store/apps/details?id=org.steavesea.adventuresmith