[!CAUTION] FastFlags are super powerful. Messing with them without knowing what you’re doing can break things, cause crashes, or make Roblox behave weirdly. So be careful. only change them if you really know what you're doing or you’re following trusted instructions.

FastFlags are Roblox's implementation of feature flags, and their intention is for Roblox to remotely alter how aspects of the game engine/client function, without needing to push out a whole new client update every time.

List types of Fast Flags:

• FFlag – a true or false (boolean)

• FInt – a whole number

• FString – a text setting

Chevstrap makes working with Fast Flags a lot easier, especially on Android. It gives you a simple, clean interface to view, edit, and apply them safely. It’s a super handy tool.

Q: How do I know whether a fast flag supports Android?

A: It’s usually in FVariables or AndroidApp, but sometimes you’ll find it somewhere else too.

Let's take a look at presets.

Framerate limit

Flag Name: DFIntTaskSchedulerTargetFps

Framerate limit on Android games is kind of like setting a speed cap for how fast your game updates the screen. Say it’s set to 60 FPS. that means your game won’t show more than 60 frames every second, even if your android could handle more.