Pinch-to-zoom works within the Linux desktop environment if you use a VNC client. Inside Termux, it’s limited.
For power users, it is technically possible to run the Linux version of QElectroTech on Android using: Termux + PRoot qelectrotech android
The QElectroTech team has focused resources on the desktop version. Reasons include: Pinch-to-zoom works within the Linux desktop environment if
: Provides a comprehensive view of electrical power systems and graphical representations for equipment. Accessing QElectroTech Projects on Android it’s limited. For power users
: Open and edit multiple projects simultaneously in a tabbed interface. Automatic Reports
Export your project as a .png or .jpeg file from the desktop application.