Most used apps for my android:
WingX (all AF/Ds, weather, all approach plates, route planning, TFR database, E6B, FAR/AIM, Pilot/Controller Glossary, Aeronautical Contractions, & tail number search)
E6B (sporty's version)
Open Flight Map (Sectionals, Low-alt Enroute charts, & World area charts)
Converter (length, temp, energy, ect...)
GPS Grid Reference
Real Calculator
Netflix (the one that actually lets you want movies not just order them)
Space Squadron (strategy game for when I'm bored and can't get to a computer)