Recently, I purchased an Amiloop to and was amazed to discover that it used an nRF52832 chip. This device, costing a mere $2.50, boasts both Bluetooth and NFC functionality, demonstrating the cost-effectiveness of Chinese manufacturing. Further exploration revealed even more intriguing aspects. Not only can this tiny device emulate Amiibo, but it can also be flashed with Espruino firmware to function as a sensor, Bluetooth beacon, or even a simulated AirTag. It can even report data offline via Apple's Find My network.

There are a lot of articles about Android application development on the Internet, but not many articles about system development, this article intends to record the Android system development related content, also a summary of my previous few years of the work. WIP

Patch Vysor.app, for study purposes only.

Use Charles JADX WireShark reverse engineering Mercury MIPC251C-4 Web Camera App and admin web page to write a control script.

Analyse the generation of Android method traces, including different methods to generate trace files. Write a command-line tools to run Android Method Trace on the fly.