Can you please let me know what exact details you wish to enabled with your required app?
Here are my area of expertise:
I have proven expertise with Swift, Objective C and Java - Android (UI, working with database, Cocoacontrols, Java Applets, multi threading, client-server interaction via TCP/IP), ASM. Not only this, also experienced to work with Facebook SDK, Twitter4J SDK, SBJSON, Flurry, AFNetworking, Retrofit, RoboSpice+Spring, Parse; and many more.
Looking forward to have a positive feedback by your end.