Is there a good Android app that lets me do jigsaw puzzles offline with happy, feel-good pictures?

Jigsaw Master is a strong candidate for anyone seeking a portable, offline jigsaw puzzle experience with an emphasis on positive, uplifting imagery. The app distinguishes itself with a curated collection of what users frequently describe as 'cute,' 'beautiful nostalgia,' and 'feel-good' pictures. These range from serene landscapes and adorable animals to sweetly animated scenes, catering to a desire for pleasant, stress-free engagement. Functionally, it works entirely without Wi-Fi, making it reliable for use during commutes, travel, or in areas with poor connectivity. Players can choose from multiple piece counts to adjust the difficulty. A hint system is available, funded by optional short video ads, which some reviews note was initially unclear in the app's description. While the core puzzling experience is well-regarded, some minor interface quirks exist. For instance, a few users report that moving pieces around the workspace can sometimes accidentally shift the entire puzzle frame, and the auto-rotate function can be inconsistent on some devices. Despite these small imperfections, the overall package—characterized by its vast, cheerful catalog and dependable offline play—makes it a popular choice for casual puzzle solvers.