For future reference, Computers & Internet would have been a better place to post this, not Jet Blast....
However, in response to your question, I would say iPad.
It's a great platform, designed from scratch as an integrated system, and the app store is very popular with many well put together apps available for download.
The problem with Android is the separation of Operating System and Hardware, which inevitably adds to the bloat and complexity of the Operating System due to the need to support a wide range of hardware.