Android smartphone users can now have something useful for airsoft with Pyramyd Airsoft's Android App... "Brand new mobile app from Pyramyd Air lets you calculate joules, m/s, fps and kkm/hr of any airsoft gun. App also includes a battery calculator that accurately calculates the length of playing time you have available after charging your AEG. Measure the accuracy of the charge results with the included play timer feature."

Download the app here.