A fan-made cricket team selection app (similar to Dream 11). This is typically a web-based project found on platforms like Netlify rather than a traditional app store download.
Were you looking for the specifically, or a different "Dream 15" related to fantasy sports or poker ? Dream 15 - Apps on Google Play
Refers to a historic mixed martial arts event (DREAM.15) from 2010. You may find fight footage on YouTube, but it is not a game. Quick Gameplay Guide (Puzzle)
If the puzzle game isn't what you meant, you might be looking for one of these:
This is the most common result for this specific search. It is a modern mobile take on the traditional 15-puzzle . Android
It includes 15 unique challenges and a shuffle mode that acts as a "fidget toy" for casual play. 2. Niche Alternatives
Focus on completing the top row first (1, 2, 3, 4), then the second row. It is usually easiest to solve the bottom-right corner last.