To check

• app multi profiles:
  • Shelter -- Isolate and run multiple instances of apps using Work Profiles
  • MultiApp -- virtual Android container
• FP4 alt. camera
  • Secure Camera
  • Open Camera
  • GCam: wichaya, nikita
• MaterialFiles -- file manager
• Phonograph -- material music player
• games:
  • lemuroid -- libretro emulator
  • lightblocks -- tetris clone for any device

General

• Add Country Code -- fix contacts
• AfterShip -- post tracking
• AndrOpen Office -- libre office port
• BigSMS
• CalcTape
• Decathlon Coach -- home, esercizi da 10/15'/gg
• Event Flow Widget
• Firefox focus
• Google Drive -- copy to clipboard share option
• KeePassDroid
• Classic notes lite -- notepad on steroids
• Nova Launcher + TeslaUnread -- unread badges
• Lightning browser
• Off+ -- turn off screen hack
• OperaMini
• Pixeful icon pack -- inexpensive icon pack (usable with Nova launcher)
• Pl@ntNet -- plant recognition
• Power Toggles
• QR Droid -- bar/qrcode scanner
• Screen Off -- lock display widget
• Should I Answer? -- call spam blocker
• SMS Backup & Restore
• Sound Profile -- rich sound profile manager
• Sygic -- car navigator
• Sygic voice recorder -- own voice recorder
• Telegram -- IM
• Textra -- customizable SMS app
• TouchPal -- very customizable multi-mode keyboard
• Vuze -- torrent downloader
• WPS Office -- MSOffice compatible use AndrOpen Office

Media

• Boldbeast Recorder -- audio & call recorder
• BookReader -- ebook reader (epub, ecc)
• Camera FV-5
• Flym feed reader
• iMediaShare -- media caster
• YouTube Vanced -- YT ad free + background play
• Perfect Viewer -- image viewer
• Piktures -- simple & powerful gallery
• Pulsar -- music player
• Radio alarm clock++
• Radio FM Italia
• Simple Last.fm Scrobbler
• Smart Recorder -- audio recorder
• Snapseed -- rich image editor
• Sound Hound -- song search by your own whistles and voice!
• VLC -- rich video player + DLNA renderer

Games

• Alien Vs Space invaders
• Day Off
• Destiny Child -- dedicated post
• Deus Ex Go
• Dungeon cards
• GamePad Tester -- test controller
• GRIS
• Hearts Free
• Jelly Splash
• Lara Croft Go
• Picross Luna I & Picross Luna II
• Pigeon Pop, alt
• Progressbar95
• Puzzle Fighter
• Snes9x EX+
• --- to see ---
• Fist of the north star (Hokuto no Ken)
• Honkai Impact 3rd
• The King of Fighters ALLSTAR

System

• CPUz
• DavX5 -- CalDAV, CardDav sync
• DiskUsage -- xdiskusage port
• Hacker's Keyboard -- full PC keyboard
• JuiceSSH
• Let's Print Droid -- CUPS client
• Let's Print PDF
• Open in browser
• OpenVPN
• Override DNS
• QuickEdit Pro -- fast text editor
• Quick Sync widget -- sync Google account
• Remote Ripple -- vnc viewer
• SANEDroid -- SANE client
• Simple Mobile Tools -- replacements for all fundamental apps
• Termux
• Titanium backup
• Total commander -- rich file manager MC style
• Turbo VPN -- AD supported free VPN
• Wi-Fi on/off widget
• ZArchiver -- supports many archive types (7zip)

Home automation

• ~mydlink Home~ -- socket D-Link DSP-W215
• SmartLife -- rbg lamp LOFTer 10W
• TP-Link Tapo -- socket Tapo P100

Other lists: Retrial, Finalboss77