Hello,
I have 4 years of experience on android mobile application and app admin with development web services where admin can manage the app from back end.
I am worked on android tv (Jio Tv) app which contains all you requested library ( Leanbabk, Recyclerviews, BaseGridView etc..)
I am very confident enough to complete your task with quality and within the time limit and in cost effective way. I am always available on Email and Skype. I have a team so we can provide you the result on time. Hoping for a positive response.
Please consider this as an initial bid, the actual cost and time estimate will be provided to you after the detailed analysis of the project requirements.
Regards Mohit