Coffee Stack by Rollic Games presents a hybrid gaming experience that merges endless runner mechanics with coffee shop simulation elements. The Android title has garnered a 4.5-star rating by combining simple stacking gameplay with progressive business management features, positioning itself in the crowded casual mobile gaming market through its thematic consistency and dual-layer progression system. The core gameplay involves collecting coffee cups in an endless runner format while strategically stacking them to maximize earnings. Players begin with basic coffee cups and gradually unlock premium beverages including cappuccinos, lattes, and frappuccinos through an upgrade system. The business management layer allows players to reinvest earnings into their virtual coffee shop, creating a feedback loop where successful runs directly contribute to cosmetic and functional improvements of the establishment. This dual progression system provides both immediate stacking challenges and long-term development goals. User interface design employs bright, cartoonish visuals with intuitive swipe controls for cup collection and stacking maneuvers. The game operates effectively in portrait orientation, making it suitable for short play sessions during commutes or breaks. Real-world usage patterns show most players engage in 3-5 minute sessions, with longer play periods occurring during shop customization or upgrade management phases. The offline capability noted in user reviews makes it particularly valuable for users with limited data plans or unreliable connectivity. User feedback trends indicate strong appreciation for the game's addictive quality and progression system, though technical concerns emerge consistently. Lo Gonzalez-Nixon's May 28, 2025 review praises the increasing difficulty curve and earning mechanics while highlighting significant battery drain and data usage issues. Genevieve L's May 7, 2025 review acknowledges entertainment value but reports gameplay glitches particularly affecting upgrade functionality. Adyson Polk's June 25, 2025 review confirms the game matches advertised features and notes reasonable ad frequency compared to similar titles. The application demonstrates notable strengths in its engaging core loop and satisfying progression system, though technical performance issues and occasional glitches present limitations. The game succeeds most effectively as a casual time-filler for players who enjoy incremental progression systems and simple mechanics. While the coffee theme provides cohesive branding, the gameplay ultimately follows established mobile gaming patterns rather than innovating significantly within the genre.