Video Tutorial:


Things needed:
Jbroke device
MobileTerminal
Cydia(to download MobileTerminal)


This should work on IOS7 if MobileTerminal is supported on IOS7.

Text tutorial:

download mobileterminal
type SU in the terminal
type your password which should be alpine.
type apt-get install (in this format) com.sinfuliphone.infinidock 4a. there are multiple ways to finding the link you need, you can find them on the internet, or ask someone else for them that actually has cydia working(this is one of the practical uses)
if prompted press y and let the install finish
Just respring and whatever you installed should be there.

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I hope you guys find use out of this!