Simple Speed / Clock / Altitude -> Resizeable

Nó rất thuận tiện để kiểm tra tốc độ trong khi đi xe đạp.

What are the benifits of this application?

1. It's portable and enable to check current speed.

2. You can minimize it and us other apps at the same time.

3. You can also check the GPS coordinates and altitude.

[Permissions]

- (essential)Overlay : This is running oh the other apps.