The new word writing tutorial on Shanghai Little Blackboard app is no longer used, so it's gone. Small blackboard app is a learning and education application, and it is a mobile learning platform built by Shanghai Xiaoxin Information Technology Co., Ltd., but from July 15, 2022, the small blackboard will officially stop operating and serving. Small blackboard APP, web version, PC client and digital campus management background will not be able to log in and use at that time.