Sergii Ganushchak is a mobile UX/UI designer. He loves his family, his job, and his bike. You can follow Sergii on Dribbble where he posts his latest works, and on Twitter.

Kate Abrosimova is a technology journalist, blogger, and content marketer. She writes articles on mobile technology, iOS and Android app development, and startups. Her articles can be seen on Yalantis blog. Follow Kate on Twitter.

Kate and Sergey both work at Yalantis, an app development company.