Smart phone problems.?

Smart phone problems.

I have just bought my first smart phone, it’s a Vodafone Smart6 prime 5.0” 4G. (I think that I am techno phobic)My son helped me to set this up, I am reasonably happy with this. Unfortunately he has installed 51 apps and when I try to open an app it says “there is not enough room on this page”. Although I have un- installed a number of apps I am still getting the same message. Please can someone tell me how many apps that I can keep to enable me to open every app?

Chris2015-07-19T20:54:34Z

See if you can buy an sd card for the phone and the apps can be on that.