Have you tried using the Android app (beta) of Project NOAH (Nationwide Operational Assessment of Hazards)? You can download the app from Google Play or from here for your tablets.
Project NOAH Beta is a mobile version of the Project NOAH of the Department of Science and Technology that gives innovative data using the technology for preventing disasters and providing information on mitigation efforts.
However, the mobile version has no Flood Map Features. Try it and share your experiences on it.