Being for WiFi, it’s unrelated to our implants,
But the Flipper has GPIO headers, and combined with the WiFi Dev board you can interact with WiFi things, like controlling your Smart home IoT things etc
De-auth Attacks
Packet capture.
A quick serch on the interwebs should yeild you a great many more answers.
There are also Proto boards that utilise the GPIO headers, for a bunch more projects, again, easily googlable
Some mods are also possible
eg