Most free mobile executors use a "Key System" to stay active. Open the Hydrogen app and join a Roblox game. A menu will pop up asking for a key. Click

Copy the key back into the Hydrogen menu to unlock the executor. Once unlocked, tap the Editor icon in the Hydrogen menu. Paste your desired Lua script into the box.

Press the (play) button to run the script in your current game. Key Features

Visit the official site (typically ) or a trusted repository like Softonic .

You will usually need to complete a few verification steps (like viewing ads) on a site like Linkvertise to receive your temporary key.