Played a few ranked games with some friends yesterday, and it seems like at some points in the game, I just don't hear the tap. Also saw a clip a few days ago that had something similar to what I was experiencing.

I think that the shop system is pretty annoying considering you need to wait patiently for a skin you desire. I doubt that Riot will add a feature that allows you to buy anything you want using a search bar or such, but I think it would be...