RyHiLL Technologies Pvt Ltd created the PPT for the Mobile Application Development & Testing Checklist for the Mobile App Developers & Testers. It is easily understandable & recognizable.

3. Popular platforms are listed below:
@ Android
@ IOS
@ Windows Mobile
@ Blackberry
@ Symbian

4. Which version of IOS should I target or
which version of Android should I develop
for ?

6. Some of the common screen resolutions are :
 320 x 480px
 640 x 960px
 480 x 800px
 720 x 1280px
 768 x 1280px
 800 x 1280px
 1200 x 1920px
 2048 × 1536px

7. It’s good practice to use high quality
graphics for large devices like tablet. If
your application is expected to be used on
these devices.

13. There are various events that can interrupt the flow of your
application you have to test the same.
 Incoming Call
 Text message
 Other app notifications
 Storage low
 Battery low
 Battery dead
 No storage
 Airplane mode
 Intermittent connectivity
 Home screen jump
 Sleep mode