if you want, you can download an archived version (45mb).
avlock was different than other lock screen replacements because it was developed at the operating-system level, not as a standard application. this means it can't be bypassed with basic trickery.
you can find the relevant xda thread here. and here's a youtube video showing the functionality.
you can find links to things i've made in the toolbar up top. a lot of the time my projects are open source under the bsd license (but sometimes aren't for whatever reason). you can check out my github page for more information.
i work on the amazon music, myfitnesspal, under armour, nerdwallet amazon music team. i used to lead development for cloudplayer for android, the music player for kindle fire tablets, and the music store for kindle fire hd, iphone, and android (http://www.amazon.com/mp3 on your phone)
see the misc section for other projects and downloads that don't fit in the toolbar or my github page.