Mastodon client for Android 8.0 or later. (multiple account, multiple column) - You can swipe horizontally to switch columns and accounts. - You can add and rearrange columns. - Column types: home, notification, local-TL, federate-TL, search, hash tags, conversation, profile, muted, blocked, follow requests, etc. (cross account operation) - You can favorite/follow operation as a user different from bind to column. (other) - Good emoji support. source code is here. https://github.com/tateisu/SubwayTooter Some of the icons used in this app is based on the Icons8 https://icons8.com/license/