Kaptur works best on the Samsung Galaxy Note 10.1 the newest of the these versions is the 2014 edition with the built-In LED flash.
If you already have a tablet or thinking of buying a new one please consider the following;
Needs to be an Android device with screen no smaller than 8.4 inch
An LED flash, ideally this will be built-In but you can use a portable type flash that can be added to your tablet, to see a sample portable flash open the attached file below.
You may also prefer to use a 'Stylus Capacitive Pen' for editing on the Tablet other than using your fingers, the Samsung Galaxy Note comes with its own Stylus but you can buy these separate, to see an example Stylus Capacitive Pen open the attached file below.
Both the portable LED flash and Stylus can be purchased from Amazon.