We released a whitepaper not too long ago about App Store Optimization. I'm not very involved in mobile/client -side development but I heard the paper was well received.
Summary infographic: https://venturebeat.com/wp-content/uploads/2016/04/Native-X-... Whitepaper: http://nativex.com/wp-content/uploads/2016/02/NativeX_ASO_Wh...
EDIT/Clarification: I'm associated with the paper referenced in my comment--not the parent article.