This and Nova is the two best launchers out there. I love this app drawer, and there is even a swipe right for Google Now (just like the google now launcher), I've disabled it though, I'm just so used to long pressing the home button to get to it. But will be useful for phones without a physical home button I guess.
The app drawer on the left is so quick for finding things (although nova can also sort your app drawer like this). The quick drawer on the right is perfect for some widgets and other shortcuts, to keep your homescreen nice and clean. Obviously it supports more than one homescreen, but if you use it, it kinda defeats the purpose of the whole thing imo.
Then just to mention shutters and covers. Shutters build a widget right on top of an app shortcut, so double tapping it, or swiping up on it, reveals the widget. Covers is like a folder, but tapping once, opens the app in the position 1, and again double tap or swipe up (configurable) opens the "folder" for the other apps you've added to it.
It's expensive for a launcher, but really is worth it. The version I'm using for action launcher is still in beta, but I've bought it without even thinking. AL2 was a long time favourite, and AL3 just brings Lollipop to your phone with a refreshed look. I would shill out the cash again if need be.