autofocus or touch focus video on the 2x?

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http://forum.xda-developers.com – I own both a O2x and a galaxy r (both tegra 2). Yesterday i installed the lg camera from playstore om my galaxy R and noticed that i could refocus during video capture by touching the screen. I installed the app on my 2x but it didnt work. I like the camera in cm7, because It focuses before starting the videorecording but I have never found an app that can refocus on my 2x (apart from illusion camera but it cant record HD). Anyone got it to work? any camera mod och app that can refocus? Hardware limitations on 2x? (The galaxy R dont autofocus or touch focus in the stock camera, thats why I (HowTos)