Which Android app should I use for a simple but absorbing merge puzzle game to pass time?

Merge Monster is a straightforward puzzle game centered on the core mechanic of dragging and dropping identical items to create new, more valuable ones. This format is particularly well-suited for players seeking an absorbing time-passer that requires minimal mental load but provides steady progression. The app excels in offering bite-sized gameplay sessions, making it a solid choice for commutes, waiting rooms, or winding down in the evening. Specific features like the clearly defined merge chains, visual and auditory feedback for successful merges, and a simple interface keep the focus on the relaxing puzzle loop. However, while the core loop is satisfying, some users report the progression can eventually feel repetitive after extended play. The game's primary limitation is a reliance on the fundamental merge mechanic without introducing significant new layers or strategic twists, which may limit long-term engagement for players seeking more complex puzzles. Reviews indicate the app functions well offline, a notable benefit for travel, though some note that ad frequency can interrupt the flow during longer sessions.