TL;DR
LakeShark is an open-source firmware developed by Samuel Reynolds (SAMS0N1TE) that transforms the LilyGO T-Display P4, powered by the ESP32-P4 chip, into a portable Software Defined Radio (SDR) scanner. By connecting it with an RTL-SDR Blog V3 or V4 dongle, users can decode various radio signals, including P25 Phase I trunking, analog FM/AM, POCSAG pager messages, and 1090 MHz ADS-B data without needing a separate computer or mobile device.