One drawback of wish lists is that the discussion tends to be all over the place, making it hard to follow what has been said about any one specific item. I assume that you are aware of this and find it is ok at this early stage in the process.
I don’t understand what you want to achieve. Where, how and why do you want that?
This sounds like the existing app drawer to me, except it’s along a vertical screen edge. (Please correct me if I’m wrong.) Why do you want it vertical and how do you envision this to work with existing navigation gestures?