How to make Simple alarm system in Android Device using Unreal engine?

I have never work on mobile development before and in need of advice or guide.

How can I make a simple alarm system in android using UE 4? Is there a way to access phone data such as calendar and alarm from UE 4? What are the commands I can use?
Can I execute java script from UE4? Would anyone be soo kind to share any tutorial for UE4 mobile development, I can’t seems to find much other than how to develop the package to android device.

Cheers =)