I'm not sure if you guys have heard of this tweak but it's amazing and it's only 0.99. It's a tweak which allows you to set up a guest session which can be activated with a specific pass code or activator action. You can disable multiple apps and features and it's working pretty well with a lot of other tweaks I already have.
Check it out!
http://www.redmondpie.com/how-to-add-guest-mode-in-ios-7-running-on-iphone-and-ipad-video/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+RedmondPieIphone+(Redmond+Pie+%C2%BB+iPhone)
Check it out!
http://www.redmondpie.com/how-to-add-guest-mode-in-ios-7-running-on-iphone-and-ipad-video/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+RedmondPieIphone+(Redmond+Pie+%C2%BB+iPhone)