I guess it’s Little Kitty Big City

I hate being GenZ I don’t even know yet there’s more than one type of CD

If you install from F-Droid you are good to go it have pro features already but if you have play store then don’t update at all. And maybe source code of SMT app will be archived in future.

No Problem

But they sell their app to ZippoApps which gonna add ads and tracker and You have to get subscribtion to remove ads. You can switch to Fossify fork of SimpleMobile tools.

FOSS app which I use -

• Jerboa: Lemmy Client
• Megalodon: Mastodon Client
• RiMusic: YT Music Client
• Drodify: Material You F-Droid Alternative
• Libretube: YouTube Client
• FluffyChat: Matrix Client
• Monocles Chat: XMPP Client
• KISS Launcher: Fast and Clean App Launcher
• Cherrygram: Telegram Client
• Revolution IRC: IRC Client
• SD Maid SE: System Storage and app cache cleaner.
• SuperFreeze: Help in Force Stoping the app
• Next Player: Material You Video Player
• Diohub: Github Client
• Gitnex: Codeberg(ForjeGo/Gitea) Client
• Native Alpha: Webapp Manager - Help in creatimg Webapp
• APK Kit: APK Exporter + Give detail of Everyapp
• Material Files: File Manager
• Kiwi Browser: A better Chromium browser which Chrome Extension and Inspect Element Features AKA Dev Tools.
• Fossify Gallery: Gallery App
• Atomic: A Periodic Table App
• OpenCalc: Material You Calculator
• Proton Mail: proton.me only support its own client :(
• Psiphon: Open Source VPN(Only Client)
• Arcticons: A Line Icon Pack
• MJ PDF: A PDF viewer.
• Simple Keyboard: Best Minimal Keyboard.
• Mauth: A 2FA app
• DNS quick Tile: Add a system DNS quick to turn on or off from notification bar.
• also de-googled my device

Closed Source app which I use :( -

1.Modded

• Whatsapp Beta Mod - Privacy Features (Use because of School)
• MyInsta: Modded Instagram (Use because of friends)
• Duolingo: Removed Ads and Tracker(Use because that Green Owl have My family)
• Mimo: A code learning app - Removed Tracker and Ads (Use for fun)

2. Non-Modded

• Mobilisim: Where I got my All Mods
• ApkTool M: Android Apk Editor (Installed it when I really need it like changing package name of an app or removing a alarming permission from an app) - Give me suggestion for this app if you know

Suggestion For OP

OP You should use Florisboard beta it’s good and also Obsidian is not open source.