I've been searching for this to. Unfortunately my only skill is flashing Rom's that other people post.
For this to work i read that you must create drivers for the device to run android.
These guys have support for allmost any htc wvga device:
Unfortunately acer isn't HTC so there isn't much supoprt on this forum for the device. Maybe you can contact rayfitto(owned a acer device and now a android) and the guys over at the tread I just posted to learn what is necessary.