This article discusses if Android based 1.0 or 2.0 devices can be upgraded to 3.0

Elo's Android 1.0 and 2.0 devices cannot be upgraded, updated, or re-imaged to Android 3.0 devices. The architecture will not support the same features as the 3.0 devices.

Google Play services are not supported on 1.0 or 2.0 devices, it is only supported on 3.0 devices.

There are no work-arounds or patches to enable a 1.0 or 2.0 device to use Google Play Services or to function the same as a 3.0 device.