Download APK

sourse apk file

Last versions is here.
Applet absolutely save, and do not require additional access to your phone's resources. Connect adapter to Serial port of Panel and find WiFi ssid 'InstallerTools'. Use password 87654321 to connect. Then lunch ParaDroid app.

Google Play

install from google play

You can use Play Store
Application are available through Google Play. It Is free of charge. (App from Play Store may be not last version, or have some limitations)

QCAD software

AutoCAD analog

Linux, Apple macOS, Windows
QCAD is a computer-aided design (CAD) software application for 2D design and drafting. It use DWG and DXF formats.