Tactility is an operating system for your ESP32, complete with app support.
Operating systems come in all kinds of shapes and sizes, and just a few decades ago, it wasn't uncommon to run an operating system on a computer with a clock speed of a few hundred megahertz paired with RAM anywhere in the range of 4-512 kilobytes.
https://www.xda-developers.com/tactility-operating-system-esp32-app-support/









