B-SIDE LABEL is an official mobile application designed for Android users that merges pop art with social interaction. The app allows users to engage with pop art through stickers, offering a platform where anyone can enjoy and appreciate this vibrant art form. Users can check in at designated stores to collect exclusive design medals that are only available at specific locations, enhancing the interactive experience.

The app also features various missions that users can complete to earn rare medals, contributing to a personalized collection. Monthly updates introduce new designs available for purchase in the WEBSHOP, where users can find their favorite items. Additionally, by presenting an app-generated barcode during checkout, users can accumulate points redeemable for purchases or exclusive items. The app includes special articles, such as interviews with staff and customers, providing a deeper insight into the B-SIDE community.