Well long story short,
I have touched almost every corner of the Android development and few are below.
1.Activities
2.Fragments
3.Background services before Android 7.0 and above
4.Migration of android API's
5.Troubleshooting APP code.
6.Code compilation when no one is able to compile the code.
7.Different architectures of android developments.
8.Writing independent modules.
9.Managing Android product.
10.Web services.
11.google services.
12.Location based services.
13.FCM
14.Managing beacons.
I would say I have best debugging skills in Android that's the last thing for me to say.... Plus d’infos