Can't access Play Store

[Wiskerluv]

I keep tapping on Play Store but nothing happens. I want to go install firefox. As a matter of fact, none of my apps will open.

 

[rgd1101]

MERGED QUESTION
Question from Wiskerluv : "Apps not working when tapping"

None of my apps will launch when I tap them. I did a factory reset but that didn't work.