I am familiar with the requirement you have posted and have worked on tons of complex web/mobile applications over the years and could definitely assist you on this.
Touch base with me over e-mail: firstname.lastname@example.org OR Skype: cis.am2.
Hoping for prompt response.
Have worked on so many pro theme and able to easily customize it for mobile and other devices, i checked the requirement and would like to help you. Kindly connect via skype: creative.mirza21 or shoot an email at email@example.com.