There is this job here for Android developers in here. Someone wants an events app done for them. The app will do the following:

1. Creating of an Event (any users using the app can do this)
2. An event includes, name, start date/time, finish date/time location and a short description
3. Event creators should be able to share their event on social media
4. Event attendants can follow or attend an event.
5. Users can see who will attend or is following an event

see more details here