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: 
Zapstore
Postr — Zapstore
Postr is a small Android Nostr composer. Write a note, sign it with Amber, and publish it to your relays. Private keys stay in Amber. Search for pe...

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