Yes. Basically, all of the Forest/Non Forest Map product is created by the same thresholding method.
Threshold values are tuned depending on observation period and area.
For details of the method, please refer to the"References".
Due to the reprocess of the source data, dataset of 2015 was updated on April 2017. Please use the latest version.
Their meaning is as follows.
0: No data
1: Forest area
2: Non-forest area
3: Water area