Jim has a Ricoh Theta One 360 camera. He installed a third party fisheye plugin to it to improve the dynamic range with HDR. It uses Android to access remotely. So which Android tablet should he get to access the footage? Leo says all the Android tablets are basically terrible now. The best is Samsung's Galaxy Tab, and it's not cheap. Another option is the Asus line. They are more affordable. So that may work for you. If you could get the plugins to work with the Amazon Fire Tablet, they're under $100.
Ricoh sells its own app that you may want to look into; it'll work on a desktop.