Postr 1.1.2 fixes profile mentions that looked selected in the editor but reached other Nostr clients as plain text. Selected identities now survive draft saves and reopening, while signing and retries keep the intended account and note together.
If an older draft has lost a mention identity, select the profile again before posting.
Update:
Source: 
Postr for Android — Zapstore
A tiny Nostr composer for Android. Post. That

gitworkshop - Decentralized Git
Decentralized GitHub alternative over Nostr for browsing repositories, managing issues, and collaborating on pull requests.