I was hired as an Android Developer. Now, being a Windows Phone/Mobile User but coming from Android this wasn't a problem.
Working with Android really convinced me what a piece of garbage that OS is. 50% of the code are fixes for stuff that SHOULD work and DO work on other OSes just not on Android. Often times I got in trouble for Apps crashing due to the Android Phone itself failing it's job which I of course can't fix. Sadly, I'm only trained in Android and Windows Development and no one wants a Windows App, so I'm still stuck with this underpayed job which makes me sad!