-Ad removal from apps
-Removal of license verification
-Creation of modified APKs
-In-app purchase emulation/spoofing

Some of the patches require root access (if you want to know how to root, Google search: how to root <insert your device name>). Some apps even include custom patches that add, and get rid of things that we want/don't want. Best of all, all of these patches are reversible in case you want to sell or get servicing done on your device.
One of the hidden away features of Lucky Patcher is the modded Goggle Play Store. It tricks the Google Play Store into doing things it normally wouldn't do on it's own. You can check out a video tutorial that I created a video tutorial of this special feature here: - See more here,
[video=youtube]https://www.youtube.com/watch?v=0tsGGj3xu_k [/video]