VendorStack have a useful free Slideshare presentation on seven hard questions asked by mobile developers.
- How do I get my app to rank higher on the app stores?
- What Metrics Should I Be Measuring on My App?
- What tools can help me QA test quickly on Android?
- How do I get our users to rate my app?
- What is the effectiveness of incentivized installs?
- Who do you use for crash reporting?
- What should I know before I develop on a backend-as-a-service?
They interviewed 27 founders, developers and vendors to identify the questions and derive some recommendations.