Mastodon client for Android 8.0 or later.

Multiple accounts, Multiple columns

You can swipe horizontally to switch columns and accounts.
You can add, remove, rearrange columns.
Column types: home, notification, local-TL, federate-TL, search, hash tags, conversation, profile, muted, blocked, follow requests, etc.
Cross account action

You can favorite/follow operation as a user different from bind to column.
Other information

source code is here. https://github.com/tateisu/SubwayTooter
Some of