Meet the vibe coders who want to be the 'MrBeast' of apps

Los Touré and Marc Mueller founded Danger Testing and are coining a new class of content creators: appstars. Laila AnnMarie Stevens for BI Los Touré and Marc Mueller, two software engineers, call themselves a "boy band." They're not making music. They're making apps. "It's app music, not rap music," Touré, whose legal name is Carlos Mayers, told me at his startup's office in downtown New York City. Danger Testing — which is something between a tech startup and a performance art project — has...