Anything that runs Android 4.1 and comes with Google's apps (Maps, GMail, Play Store, etc.) and has capacitive touch should be OK-ish.
You should be able to find a 7" tablet like that for the price you are looking for, but they will be from obscure third tier OEMs like "YuanDao N12 Deluxe 7 Inch Android 4.1," or "Teclast P76e 7 Inch Android 4.1," to give two examples I found. The screen resolution will be mediocre. Don't expect software updates.
If you can afford it, buy a Nexus 7 instead. For twice the money you will get a tablet that gets timely updates and that you will be happy with for at least twice as long as a craptablet.