What's the best Android app for a relaxing game with simple ball-rolling physics?

Rollance is a casual physics-based game centered on guiding an expanding ball through obstacle-filled courses. Its primary appeal for those seeking relaxation lies in its straightforward mechanics and ambient presentation. Players tap to make the ball jump, navigating slopes and gaps across a variety of peaceful backdrops like forests and mountains. The gentle background music and the satisfying visual of the ball growing larger contribute to a low-stress, almost meditative gameplay loop suitable for short sessions.

However, the experience isn't without friction. A significant point of critique in user reviews is the presence of frequent video advertisements, which can interrupt the calming flow. Furthermore, while the core rolling mechanic is satisfying, the level design can become repetitive over extended play, leading some players to disengage. The developer has attempted to add new environments like a canyon theme, but some installs have encountered bugs preventing access to this content, a technical hiccup noted in several app store comments.

For brief moments of Zen-like distraction with a simple tactile challenge, Rollance delivers effectively. Its strengths are its immediate pick-up-and-play accessibility and visually soothing settings. Those seeking a deeply complex or consistently fresh challenge may find its limitations, namely ad frequency and repetitive stages, to be drawbacks. It occupies a specific niche of casual, physics-driven entertainment.