A free app for Android, by Simulator cases and boxes.

If you are a fan of Brawl Stars, you should download this fan-made app that the fans created.

Box simulator for Brawl Stars is an unofficial program that simulates the game Brawl Stars. In this program, you can collect coins, open vaults, and unlock brawlers. If you no longer want your brawler, you resell them for a more expensive vault. This game also has challenging tasks that will keep you seated for the entire day. Aside from this, the app is updated twice a week, which means new features are always added.

Note that this game is a non-commercial online app.