Amethyst brings the best social network to your Android phone. Just insert your Nostr private key and start posting. This is a native Android app made with Kotlin and Jetpack Compose. The app uses a modified version of the nostrpostrlib to talk to Nostr relays. The overall architecture consists of the UI, which uses the usual State/ViewModel/Composition, the service layer that connects with Nostr relays, and the model/repository layer, which keeps all Nostr objects in memory, in a full OO graph...