anthony43 just Announced the release of ReGalAndroid , and Android client for Gallery 2 and Gallery 3. Search for "regalandroid" in the Android market, check it out, and file bugs here if you find any. Also there is a discussion thread in Our Forums .
Supports ReGalAndroid currently browsing and sharing of Both items in Gallery 2 and Gallery 3, and can only add new photos to Gallery 2. Hopefully Gallery 3 full write support is just around the corner!