Sparkchess Pro 1507 (paid)apk -

Ability to create and join teams with private play areas.

The paid "Pro" edition (often listed as SparkChess Pro on Google Play) removes the limitations of the "Lite" version and adds several advanced educational and social tools:

Full support for importing and exporting games in PGN format, allowing you to study games from professional databases. Platforms and Availability SparkChess Pro 1507 (Paid)apk

Play against characters with distinct "human-like" styles, such as Cody (beginner), Claire (fast/casual), and Boris (aggressive).

If you are looking specifically at version 15.0.7, this generation of the app solidified several core "Pro" features that were new at the time: Ability to create and join teams with private play areas

Removes the 2,000-point limit found in the free version.

A unique "Coach Mode" that explains the consequences of your moves in plain language, helping beginners understand why a move was a blunder or a masterstroke. If you are looking specifically at version 15

Version 15.0.7 specifically addressed a rare error where the AI engine would fail during thinking.