MetaMask.io - A crypto wallet & gateway to blockchain apps
F-Droid - F-Droid is an interesting alternative for Android users who want to try something different and not have to use the Goole Play store all the time.
Coinbase - Bitcoin, safe and easy.
APK Pure - Download apk for Android with APKPure APK downloader. NoAds, Faster apk downloads and apk file update speed. Best of all, it's free
OctoFi - DeFi dashboard for decentralized finance tentacles
APKMirror - Android Market and APK Downloads