The first challenge was to create a catchy, intuitive and adaptive UI/UX. Our designers did a good job that was approved by the Client after just a couple of revisions. Upon completing the design, we started working on web and Android versions in parallel.
We left iOS development for later - as iPhones are way more standardized when compared to Android devices.
Having integrated the payment system, our team also we developed over a dozen skill games for the platform.