My expertise include the following Android applications,
~ Discover AE - A city wide treasure hunt application ~ Wayay - An event based social networking application ~ YellowPages Tanzania - A yellowpages application for Tanzania ~ BunkMaster - An attendance management application for students with other academic tools. ~ MalayalaPaadam - An application to teach/learn Malayalam language ~ Mechathlon - A brochure application for a technical fest of a college in Kerala, India ~ Pedicure Anick - A brochure application in German for a Belgium Pedicure Firm.
I'm capable of developing application that leverage on technologies like Maps, iBeacon, Rest APIs, Material Design, AD placements using Admob and other providers, Analytics, GCM push notifications.
Mostly I use Android Studio For development and I recommend using native Android Java for development.