Poster poster: póster de lanzamiento de app minimalista

Photorealistic product launch poster for a consumer app named "Poster Poster," designed as a launch day announcement. Show a sleek smartphone hero visual with the app interface featured prominently, bold headline text reading "Poster Poster," and a clean launch-date countdown placeholder, using a minimalist clean style with a minimal monochrome palette. Strong visual impact, premium studio lighting, social-share ready composition, no real logos, no watermarks.