I will try to be brief, Mantz:
I bought a cheap Android tablet last year. A 7" screen. Named Genesis GT-7220S. It runs nicely almost every 3D game around. But these cheap tablets aren't reliable. You will probably use them for, say, 3 months, and they are dead. Mostly. Having one running for more than 6 months is RARE. And no RMA. So, stay with the well-known manufacturers. Stay away from this Zeepad.
Asus is on the other end, amazing manufacturer. Just make sure to chose a good MODEL, since there are many Asus tablets. Go for specs. You will need at least 1 Gb of ram; way more than 800x480 pixels screen, with at least 7 inches; and at least dual-core processor, running at, at least, 1.2 Ghz (more is better, of course).
I have heard wonders about iPad Mini (good compromise between maneuverability and screen-size), but if you want a cheaper option, don't go TOO CHEAP, is my advice.