Spring, the nostr protocol browser is now available for Android.

https://github.com/nostrband/nostr-universe/

Android Release v0.1.0 Pre-release: 

The first public Android release: 

supports private keys and read-only keys, switching between keys
tab management - open, hide, close, etc
nip-07 interface injected into tabs
personalized home page with different event types
search over profiles, notes and long-notes, contacts shown for fast access
app selector for different event kinds
tab menu and context menu WIP

APK Link: 

https://github.com/nostrband/nostr-universe/releases/download/v0.1.0/spring-nostr-browser-v0.1.0.apk