Brawl Box Opening Simulator is a free game available on the iPhone platform. This app, developed by Anton Sitnikov, allows players to collect coins and open Brawl Boxes to unlock various items in the game Brawl Stars.

The gameplay is simple and addictive. Every second, players earn coins, and tapping the screen adds even more coins to their collection. With these coins, players can open Brawl Boxes of different rarities, ranging from Common to Legendary. Inside these boxes, players can obtain heroes, elixir, and chips.

One of the key features of the game is the ability to upgrade heroes using the collected elixir. This adds a strategic element to the gameplay, as players can enhance their heroes' abilities and make them more powerful.

Overall, Brawl Box Opening Simulator is an engaging game for Brawl Stars enthusiasts. It provides a fun and rewarding experience as players collect coins, open boxes, and upgrade their heroes. Please note that this app is unofficial and not associated with Supercell, the developer of Brawl Stars.