Tablets are just computers with touchscreen interfaces (and it's worth noting PDS games are hardly hardware hogs - I'd expect most PDS games could, in theory, run on most modern tablets were they made to run on iOS/Android, and a mouse could be plugged in). The challenge isn't in the hardware in terms of processing, but rather in the UI, because touch is less precise than a mouse (a finger covers more of the screen than a mouse pointer, and you can't see what's under the finger at the point of pressing it). Overcome the UI issues, and I can't see any reason why it wouldn't work (indeed, overcome the UI issues and I can't see why you couldn't transfer your game of EU4 or CK2 to tablet, take it on the road, then transfer it back to PC and keep playing
).
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