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Transmit text messages from one smartphone to another wirelessly through the ZULU dongle, connected to the smartphone through an OTG cable.
It can send text messages to multiple ZULU dongles at once.

Make sure the ZULU dogle is connected to the smartphone before starting the app. Start the app through the Zulu-dongle driver select popup message.

ZULU dongle should be set to it's maximum baudrate of 57600 bps in a PC, before using this app.