Develop and make our Newsletter responsive with Multi-platforms

Hello, I have newsletter template, and I want to develop the current newsletter to become compatible responsive with multi-platforms, especially with e-mail applications for Mobile like( Gmail App, Samsung mail app, hotmail mobile web interface, gmail mobile web inerface) - must work with mailchimp. - must have a smooth touch in design like this template [login to view URL] - must work on mobile mail apps. - our website and content rite to left then the newsletter should be RTL. -must the newsletter met our website branding design and colors. Attached: - our current Newsletter code.