Can i personalize my cherry w7?

I can't play movies or videos on my daughter's cherry mobile tablet. Please help.  

I have been used chery mobile w7 before and I change now to ... chery mobile snap. W7 has small internal storage only ... favorite apps using google play. W7 is only supported for wifi ...  

Please help me to watch and save vidio on my phone 

The phone uses the proprietary OS which means that if the built-in store application (if there is one) does not have YouTube listed, you will not be able to download and use the app. You can use the ...