Moved to pla@mastodon.cloud is a user on octodon.social. You can follow them or interact with them if you have an account anywhere in the fediverse.
If you don't, you can sign up here.
Here is the Google Play URL to get on the beta channel for #Twidere that has Mastodon support. https://play.google.com/apps/testing/org.mariotaku.twidere
Latest #Twidere version is 3.5.31