Help to develop 2D game for android

Hi there, sorry i’m a beginner in unity. I want to ask if any of u guys can help or have any tutorial on how to bulid a writing 2D game like my storyboard here: https://drive.google.com/open?id=0Bwv82SzsTSb7ajdoVDI0SF9LV2c
As for now i only done the upper letter for the writing part.

2629524–184825–Story Board.pdf (406 KB)

You can do a lot with the new Unity UI system using Canvas objects.

https://unity3d.com/learn/tutorials/modules/beginner/ui/ui-canvas

choosing a level: