When entering a question and answer at the same time (i.e. "Answer your own question" is checked), if you click the in the preview box for the answer, instead of your answer only black box is displayed.
I have tested on API Level: 15, OS version: 4.0.3, Device htc_asia_india-primou HTC one device
I'm Using this links https://play.google.com/store/apps/details?id=com.stackexchange.marvin
Today I have downloaded new app and it is really Awesome :)
Attaching Screen Shots from today's Stack Exchange app:-