I'm looking for an experienced app developer to create an application similar to Focus Friend by Hank Green. The app should be developed for both iOS and Android platforms. Core Features: - Focus timer - Library feature where users can add books, matching their personal library Ideal Skills and Experience: - Proficiency in both iOS and Android app development - Experience in building timer and library functionalities - Strong UI/UX design skills for a user-friendly interface - Ability to provide detailed project proposals Please include relevant past work and experience in your application.