Message from Armachat to Meshtastick network, true ???

I am alive thanks to Patreon supporters Message from Armachat to phone and back via Meshtastick network !!!! (first test) OK, But I cheating little. Explanation ... How it work: Phone with app is connected to T-Echo (bluetooth) PICOmputer/Armachat without LoRa module, works as simple stupid terminal, sensing buttons and send to UART and back, receiving from UART a and print to display, exactly as your mobile phone in this case there is only Raspberry Pico and display, nothing more Meshtastic is configured with Serial module in TEXTMSG mode PICOmputer is connected to TTGO T-Beam with 4wires and also powered Is interesting for somebody this simple alternative?