Hello,
You can check this information in online help center when you login to your system using the search key "Working with SAP Business ByDesign Mobile Apps". However for Cloud For Customer you have android app.
Also for cloud for customer you have android as well. However the see below for the details.
Device Prerequisites
This application has been optimized for use on Samsung Galaxy S™ and HTC Desire™ smartphones. Other Android devices should be able to run this application if they meet or exceed these minimum requirements:
- Operating system: Android 2.1
Screen resolution: 800dp x 480dp
CPU: 1GHz processor speed
RAM: 512MB
Installation
If your device meets the above requirements, you can proceed to install the application by downloading the application directly from Google Play.
Hope this helps.
Sincerely,
--Sathya Swaroop