The Home button had just stopped working - after pressing it around 10 times, it would just respond once.
The repairs was done successfully - Thanks for the awesome tools.
A few more detailed pictures of the equipment on the manual/guide would a a very good idea. Mostly because it took some time for me to understand.
Phillips #00 Screwdriver
Flathead 3/32" or 2.5 mm Screwdriver
SIM Card Eject Tool
P2 Pentalobe Screwdriver iPhone
iPhone 4/4S Liberation Kit