Here is the author of Gea Stack. There is no browser in the device, none of these devices could run one with 512KB of RAM (+2-8MB of PSRAM). We instead transpil

Here is the author of Gea Stack. There is no browser in the device, none of these devices could run one with 512KB of RAM (+2-8MB of PSRAM). We instead transpile TypeScript and CSS into native code, so the UI you build with web technologies look and behave identical on a microcontroller.