Stratos icon pack also has it's sister pack named : "Atmos". Which is not available yet, but is in the makings. Made by +Joshua M.
You get around 1330+ Icons, few hd wallpapers, icon request support, and very user friendly material designed dashboard.
There is also an in-app option to donate few bucks if you think this app deserves it.
Your ratings and review are very important. Make sure to leave them.
Thank you for your support.
Link to My Profile for more updates : https://plus.google.com/u/0/+SHAHIDSHAIKH27595
Link to Joshua's Profile for Atmos : https://plus.google.com/u/0/+JoshMasih