Specifications include, but are not limited to: 1.3.2. Externally Developed Activities. Integrate externally developed engagement activities (e.g., video, graphics) into a coherent UX. 1.3.3. Enrollment. Create onboarding and enrollment protocols including communication using email and user login requirements. 1.3.4. Responsive Design. Create a responsive design to maximize UX and User interface (UI) based on specified logic using recognized approaches/tools. 1.3.5. Graphic Design. Create the integrated aesthetic design for the responsive display of content with the goal of minimizing burden on the users’ phone. 1.3.5.1. Design tasks include: • Button and favicon design, and downloadable icon for smartphone home screen • Match color palette to externally provided resources for cohesive look • Integrate external illustrations and graphics, media assets, engagement activities, and design elements to use throughout the intervention components to introduce and reinforce teaching points and encourage participant use of the program.