What is your favorite mobile app and why?
What is your favorite app on your phone?
What is the favorite app in the USA? What are your most used apps on your iPhone? What apps should I certainly have on my Android phone? Which is the best app you are using on your Samsung Galaxy S4? Which iPhone app do you use the most? Which phone do you use? What is your favorite to-do list app? Why? What mobile phone are you using? Which phone do you use and why? What games you play on your smartphone? What iPhone app do you use most often? What are some Interesting mobile apps? Which app is the best for switching on and off android phone? What phone do you use right now? What is the one most important app in your smartphone that you can't live without and why? Only one app. What should my first app be? What are the most interesting apps for Android? Which apps on your mobile phone can you not live without? What is a phone app that you could not live without? What is your favorite activity? Why? What brand of phone is best in your view and why? What do you use your iPhone for? What are your favorite event planning apps? What is the recommended cellphone security apps? What's the most popular app at your school? What are the coolest things you can do on a smartphone? What are the most popular hybrid mobile apps? What are some interesting apps? What is the best Android smartphone? What are your most frequently used iPhone apps?