It looks like the LG 47g2 is Google TV; the predecessor to AndroidTV. You may want to try /r/googletv
Edit: /r/googletv looks like it has no activity now
Andrroid
A bit has changed, but what hasn't is the 2 GB internal storage.
Ignoring the fact that google TV is a dead platform, why would you think you could magically change the internal storage capacity? Thats a hardware parameter.
It looks like the LG 47g2 is Google TV; the predecessor to AndroidTV. You may want to try /r/googletv
Edit: /r/googletv looks like it has no activity now