What's a good Android app for relaxing with some seasonal, themed coloring?

Valentines love coloring book is a straightforward digital coloring application centered on love and Valentine's Day motifs. For users seeking a calm, screen-based activity that doesn't require artistic skill, this app serves its purpose well. It features a library filled with detailed illustrations of hearts, cupids, romantic couples, and floral arrangements, all waiting to be filled with color. The interface is simple: users select a drawing, tap to fill areas with a chosen color from a preset palette, and can easily undo mistakes. This makes it suitable for quick five-minute breaks or longer, more meditative sessions. A zoom function helps with coloring intricate sections of the more complex drawings. The app operates offline, which is convenient for use during commutes or in areas with poor connectivity. However, the color palette, while varied, is fixed and does not allow for custom color creation, which some creative users might find limiting. Reviews indicate the app is successful as a simple distraction, with users noting the detailed artwork helps focus the mind and provides a calming effect. A minor imperfection is the occasional, though not disruptive, banner ad at the bottom of the screen in the free version. Overall, for its specific seasonal theme and uncomplicated mechanics, Valentines love coloring book delivers a reliable, focused coloring experience.