Google Code-in

"Senz services" app is an android application which provide the background services for senz-platform based applications. It shows some apps in google app store in a list and with a button displaying "install" or "uninstall". If the app is installed, the button should named as "uninstall" and if click app should be uninstall from the phone. Otherwise if App isn't installed button should be as "install" and when click it should be download from app store.

The task is to implement functionalities for senz services applications. After you claim the task we can attach xml of gui.