
I feel absence of such a page but we just started to add info on it.
Correct way is that newbie users fill the page because we don't know what new users needs or don't know which parts comes hard to them. If you fill that page, I could tell your questions happily.

(wiki edit permissions will give on request)
For VideoAR Fix, you have a choice. Using firmware patches or using Game applicationto enable VideoARFix hack.
You modal number indicates that you are using latest firmwares. It's not possible to load hacked, new firmware onto it as a standard firmware upgrade.
You needed to revert your firmware back to older state. Wiki has already explanation about it on "forced firmware revert back" article.
If I were you, I try game application plugin, if it fails than will revery my firmware back.
It's also hard to run program at your firmware. It's full of restrictions. Better to switch back to older firmware.
But firmware upgrading process is always dangerous than using Game applications.
some of users bricked their TVs but most of them able to recover their TVs and others needed to call service.
Thank for God, services usually can't recognize problem and just change mainboard of TV under warranty

It think it's more clear now.