Ways to share across devices on Android, in 2022

• official Android
  • Nearby Share
  • developer-oriented
    • Nearby APIs — Nearby Connections API, Nearby Messages API, and Fast Pair
    • multi-device development and cross device SDK
  • CES 2022: "Better Together"
    • android.com/better-together/
  • Matter
  • (check for more recent updates)
• PushBullet
• "Join", by the same people who brought you Tasker