Translations are external files you have to add yourself and are not included in the base game.
A translation into Portuguese is in development by community members but these things take time.
Direct APK is no longer possible, with the latest update the game's size has grown beyond the limitations for the APK format.
You can either try Tanxui's installation guide or the video tutorial to guide you through installing the game.
Follow Tanxui's step by step guide or watch this video tutorial
You can find the recommended Youtube playlist here
If you use Spotify I maintain this playlist
Want a playlist? Here's a Youtube one: https://youtube.com/playlist?list=PLSjFmFIO-Pcy0iLaVNJDDaTYzUYiCO9F-&si=ztIR2PZu...