Not bad, could be better if dev would make a few simple changes.
And FIX the "support" website link.

This is a sliding square puzzle game featuring multiple grid sizes from 3x3 to 6x6. Players can customize the look with different skins, import their own images, and track their progress with time and step counters. Compete for the best scores online.
1.2.1
May 8, 2024
functionality improved
Mega Fifteen offers four grid sizes: 3x3, 4x4, 5x5, and 6x6. This allows for varying levels of challenge, from simpler puzzles to more complex arrangements.
Yes, Mega Fifteen supports an image mode where you can import your own images from your photo album or take a new shot. This lets you personalize the puzzle experience.
The game keeps track of your time and the number of steps taken to solve each puzzle. Your scores are listed, and you can access internet best scores to see how you compare globally.
Mega Fifteen is supported on iPhone and iPod devices. It is designed for iOS users looking for a classic puzzle experience.
No, Mega Fifteen does not contain advertisements. As a paid application, it offers an uninterrupted gaming experience without any ads.
The latest version of Mega Fifteen was released on May 8, 2024. While specific update frequency isn't detailed, this indicates ongoing support and potential for future improvements.
Mega Fifteen has an age rating of 4+. This means it is suitable for children aged four and older, featuring simple mechanics and no mature content.
Mega Fifteen is a paid application and costs $0.99. This one-time purchase grants you access to all its features without further in-app purchases or subscriptions.