关键特点：
- 使用四种不同颜色跟随黑板上的数字，如果您正确地写下数字的话，您将获得3颗星奖励，如果错误
，您可以使用橡皮擦。
Smoother tracing performance.
Bug fixes for improved reliability.
Keep learning fun!
Please share your feedback and consider rating us on the Play Store.
You need GKG Family to install .XAPK File.
