Actually, I have an android emulator for my Win7 laptop. I run iReal through the emulator and have a huge screen compared to tablets. I know of quite a few people who do the same.
I noticed a video put out by Ireal that shows how to display the chord diagrams (not the chord names) during playback. The video can be seen here...
https://vimeo.com/33688376
Around the 1:15 mark the narrator directs me to go to the "font" setting to change the guitar display so that the...