Updated Projects Using usb serial for android (markdown)

Projects-Using-usb-serial-for-android.md

@@ -12,6 +12,7 @@
 * [Microcontroller Remote](https://play.google.com/store/apps/details?id=tk.michaelmckey.microcontrollerremote) -- remote control app
 * [GPS to Serial](https://github.com/XxOinvizioNxX/GPS-to-Serial) -- App to send phone GPS coordinates via USB serial port
 * [Codec2 Talkie](https://github.com/sh123/codec2_talkie) -- Codec2 Walkie-Talkie for DV (digital voice) communication over radio modem
+* [Oscilloscope](https://github.com/dgatf/Oscilloscope) -- An Oscilloscope application that reads the values at the serial port, that can be generated by an Arduino board
 
 ## Libraries, Frameworks, and Tools