XM Arcade XM Arcade is a native Kotlin + Compose Nostr client. Shorts · vertical video feed with inline replies, reactions, zaps (sats) and xaps (Monero). Mini Apps · webxdc games arcade, sandboxed offline, per-mount origin isolation, run-bound consent. Music · tracks from the network, playback continues across panes. Concord · groups and channels, encrypted with channel keys, host-signed epochs. Terminology: XMR payments are called Xaps, sats payments are called Zaps. Blossom defaults: blossom.ditto.pub / blossom.primal.net / blossom.data.haus for new accounts. Alpha banner is Zapstore listing only, not in-app.