WiFi Blackboard use WiFi without network.

Wi-Fi Blackboard Screenshot
Wi-Fi Blackboard Screenshot
Wi-Fi Blackboard Screenshot
Update
Mar 27, 2023
Developer
Category
Installs
500+
Rate
0
Other phone can draw line from another phone .
The app do not use the internet. All devices must install this app.

Range :
From the cellphone in the center of building Server to others receiving WiFi.