limiting only one app to use data
If you want to turn off cell data on specific apps, just uncheck the box that corresponds to  connectivity and you are all set. The Android apps that allow you to do this are as follows some firewall apps.

https://play.google.com/store/apps/details?id=com.jianjia.firewall

https://play.google.com/store/apps/details?id=com.googlecode.droidwall.free

find more app from playstore for firewall apps .