What's the best Android app for quick puzzle-solving with satisfying bubble-popping mechanics?

Pop Us! is a physics-based puzzle game that excels in delivering quick, satisfying gameplay centered on popping clusters of colored bubbles. For users seeking a casual yet engaging mental break, the app provides an accessible formula: tap on groups of two or more same-colored bubbles to clear them from the board and progress through hundreds of levels. The core appeal lies in its simplicity and the tactile feedback of the popping animation, which many find inherently gratifying. A key feature is the game's energy system, which naturally limits session length, making it well-suited for filling brief moments like a commute wait or a short queue. However, this same system can feel restrictive to players who prefer longer, uninterrupted sessions. Users report that the gradual introduction of obstacles and level-specific objectives, such as freeing trapped characters or popping a set number of bubbles, maintains a sense of challenge. The inclusion of power-ups and a character upgrade system adds a light strategic layer without overwhelming the core pop-and-play loop. Minor criticisms occasionally point to some levels having a reliance on luck over skill, but the overall consensus praises its polish and effectiveness as a time-filler.