Hi! As my Master's thesis I wanted to explore if it is faster to offload some functions of a mobile phone application by using the cloud. Therefore I developed an app, my first real app ever , that executes three tests locally on the phone and then by offloading them to Google App Engine. The tests are: - Calculating prime numbers between 1-10000 - Sort a list of 1500 random words - Rotate and change the size of a picture Every test are timed and in addition the app gathers information about upload/download ration, phone model, Android version, type of network connection, eventual error messages and gives the phone a unique ID in case the test is ran more then once. There is no gathering of any personal information about the phone's owner or anything like that. So far about 13 persons have used the app but I would need more and I hope you guys can help me out in gathering results for the thesis. The app and the source code can be found at CloudBench Android App - An Android application that benchmark local versus cloud executed functions Minimum SDK version is 4.