I'm interested to know if it's possible to develop an similar app for windows phone like those ones:
https://play.google.com/store/apps/details?id=com.appuccino.frequencyfree https://play.google.com/store/apps/details?id=com.agrvaibhav.AppUsageTracking
- those apps track other apps usage tracking and show the user how much time he spend on each app.
They are likely to be using the ActivityManager api in Android. Is there a similar API in Windows that lets me get those analytics?