Do the Boyue T62 and/or T63 come with a norefresh/A2 mode installed? I think the Onyx do. To know what I mean, here a youtube example:
https://www.youtube.com/watch?v=kBbl6egyPsQ
I don't plan to play angry birds, but you get the idea. The screen scrolls/updates without flashes.
Edit: It does. It's automatically activated.