Ball Stack: color sort puzzle app analytics for January 18

# Ball Stack: color sort puzzle A solitaire-like puzzle created for solo play. A family member inspired me to create a version of this game that is clean and focused on the experience. The download is small, and fast to install. The interface is responsive. There are no ads or interruptions. No hidden costs: No runtime access to device networks. Excellent Privacy: No runtime access to device media. Excellent Security: Single installation. Excellent Battery Life: 9.5 hours playtime on a Galaxy Tab A8 10.5" Tablet. ### Feedback * You have agency in this world; Let us know how we can improve the experience for you. * Email ballstack@rufe.org