how do i update the app store on a polaroid ttab750

[AC Question]

My son wants more games on his polaroid ptab750 and the app store say it is not working and to update it, but when I try to update on the tablet it says no updates available.

 

[B. Diddy]

Welcome to Android Central! What app store is on it right now? Is it Google Play Store, or the older Android Market? Or is it some other 3rd party app store?