Show HN: Weekend project, Intro.js
great work, i feel like the rest the next link is to small, and even if you try to navegate with arrows  and works some other mechanic like (enter/click/tap) to keep going and then (esc/del/back) to avoid the intro, but its a great aid as it is right now a friend of me built something like this (not that good), from zero to his app but now everyone can have this, going to recommend it.