What is your favorite mobile app and why?
What is you favorite app on your phone? Why?
What is the favorite app in the USA? What is your favorite to-do list app? Why? What are your most used apps on your iPhone? Which phone do you use and why? What iPhone app do you use most often? What apps should I certainly have on my Android phone? What mobile phone are you using? Which phone do you use? Which is the best app you are using on your Samsung Galaxy S4? What games you play on your smartphone? What is your favorite activity? Why? What are the most interesting apps for Android? What are some Interesting mobile apps? What is the one most important app in your smartphone that you can't live without and why? Only one app. What brand of phone is best in your view and why? What are some interesting Android apps? Which phone you prefer windows or Android and why? What's the most popular app at your school? What are your most frequently used iPhone apps? What are some interesting apps? What is the most used app? Do you prefer Android or Windows Phone? What are your favorite event planning apps? What phone do you use right now? Do people prefer iPhone or Android? What is the most popular To Do list app for iPhone? What part of the app do you dislike the most and why? * What is a phone app that you could not live without? What's the most productive Android app you have used? What is your favorite thing in the world? Why?