I have a Samsung Galaxy Tab A that works great apart from ‘Discover’ which takes time to load and refreshes too quickly.
It would be good to disable the Discovery refresh to give it a chance to load up properly.
It loaded from the App Store. The 9.7 screen is perfectly enjoyable.
Samsung Galaxy Tab 3 8.0 - Android 4.4.2 - downloaded Roon Roon Mobile from Play Store
Asus EEE Slate B121 - a 12.1 inch tablet - Windows 7 Professional (tried Windows 10 but touchscreen drivers were not updated so I reverted back to Win 7) as a remote