Hi mhnomi,
Sorry for the delay, I’ve been very busy and honestly, I kind of forgot about you request. Now I didn’t do a video tutorial on YouTube. But I did put it up on my website. Which seems to be easier to follow and/or read. So hope this helps in the meantime 
http://thehangarstudio.com/2015/09/unreal-engine-mobile-touch/
regards and happy game deving everyone