UX review of HelloWorld Quickstarts

UX review of the mobile HelloWorld push quickstart:

https://github.com/aerogear/aerogear-push-helloworld

*NOTE:* They all should look like one app, not like totally different apps. It's important they somewhat reflect a professional look-and-feel. However, not all platforms need to look 100% alike, but a user should be able to notice: Oh, this the iOS version of the app I used on Android before...