doo for Android just received its first upgrade in Version 1.1.

Billed as a first significant, this upgrade (Google Play Store), henceforth allows you to connect your email account(s) and
cloud-based storage locations like Dropbox and Google Drive directly within the app on your smartphone or tablet.

In addition all your filter settings will be synced to every other device you have and allow you to exclude certain file directories and/or formats.

Finally the new doo for Android lets you flag documents on the go, adding personal nuance to your document organization.