Rocker, based in Stockholm, shows promise as a mobile-first banking platform targeting the B2C market. The company focuses on making banking more convenient and accessible through mobile devices, addressing the shortcomings of traditional banks and older online platforms in terms of ease and speed. By prioritizing a seamless mobile experience, Rocker aims to attract a tech-savvy customer base that values quick, hassle-free transactions. With backing from Schibsted Growth, Rocker has the potential to become a leading player in the digital banking landscape.