This is an app for start signal that can be used for mini 4WD and R/C racing.
Just press the start button to use it, and you can change the color of the circles to your liking.
If you don't want to pay for a starting signal just to play, please give it a try.
Data safety
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collect and share your data. Data privacy and security practices may vary based
on your use, region, and age. The developer provided this information and may
update it over time.
