The Cydia Tweak Appendix has been officially released and works with devices that have iOS 9 or higher. Appendix takes advantage of 3D Touch Quick Actions feature to allow users to quickly launch apps in a folder. When you force touch on a folder, the tweak opens a shortcut menu displaying the first four apps contained within the folder. This tweak will work with older devices you just need to have RevelMenu installed or some other 3D Touch enabler tweak.
After you install the tweak, all you need to do is to 3D the folder and tweak will throw a pop up with first four apps inside the folder. Yes, for now the tweak only supports first four apps in folder. So if you want one of your favorite apps on list, make sure you place it in first four apps.
If you’re in to give this tweak a try, Appendix is now available as a free package on Cydia’s BigBoss repository and fully supports iOS 9. To install this program requires a jailbroken device (see if and how you can do the jailbreak to your iPhone by clicking here) and you need an Internet connection to download the package.