Just a warning, screen filter caused a strange problem on my phone that was 100% reproducible. It would prevent apps downloaded off other sites and saved to the SD card from installing. Apps from the market (i.e. Play Store) still installed normally. Also apps backed up and then attempted to install would not. The install button would be grayed out. If I went into app manager and stopped screen filter, the apps would then install normally.
Sent from my DROID RAZR MAXX using Xparent ICS Tapatalk 2 with Google voice to text translation. Please excuse any minor spelling, punctuation, capitalization or grammatical errors.