It's a simple GPS based speedometer / odometer application with an analog gauge option. You can also choose the unit measure (MPH/KPH). It can be a replacement for a faulty speed gauge of a car or truck, but it's also good for a bicycle.
Access fine location sources such as the Global Positioning System on the phone, where available. Malicious applications can use this to determine where you are, and may consume additional battery power.
prevent phone from sleeping
Allows an application to prevent the phone from going to sleep.
full Internet access
Allows an application to create network sockets.
view network state
Allows an application to view the state of all networks.