No. They are different. The iPod touch 4 screen has more pixels so the iPod touch 3 won't support it.
Well, I think you can. It depends what your doing, like intallation.
no way, the ipod touch is soooo much better.
Because the outside has put one touch screen panel, so then any LCD/LED can change as touch screen.
You can replace easily yourself. buy the replacement lcd screen on 3cline.net now
Yes easily if it is the same type of LCD screen.
Unfortunately, LCD monitors cannot readily be converted to touch screens.
You can infact change any LCD screen to a touch screen display. If you wish to use the touch screen as a display and input device you must install other software on your computer to recognise the touch screen input.
The only way to fix the backlight when it's dim is to replace the LCD. On ebay there are parts and people who service these jobs for cheap
To make it easy... its the screen on top of the LCD part of a touch screen phone... so its kind of an LCD protector.
You can purchase a PSP screen online and then replace it.
For scales it is easest to replace the screen.
Replace the LCD