Recently I acquired the skill to develop Apps in Android.
https://play.google.com/store/apps/details?id=com.NK_VideoCutter.NK

I have learned fund raising skills, I have been learning for 1 year now

I am learning Google Analytics, Google Adwords, Digital Marketing, Brand Creation Skills ...

Recently I learned 2 things and still learning..
1. To Take Quick & Calculated decisions/Risks.
2. To Say 'No' to unnecessary people/work/distractions.
in Technology, i learned Android and made ToDo App - simple and awesome app to organize your tasks. http://goo.gl/uqI94t

Hmm, entrepreneurship skills, with my latest startup, www.projectsforschool.com, it has been a refresher course in enterpreneurship!!

Concept Creation with in-depth analysis for my all articles www.viragbrand.blogspot.com

I wouldn't call it exactly a skill, but I recently learnt how to manage financials and add projections in your business model for my own venture. Till date, we had someone who could do it for us! I being a computer engineering study background this was completely new and initially challenging when I started understanding it. Glad I could crack it : )

AI ML DM