For fun, I recreated a subset of Flutter that is sufficient to build a tiny Minesweeper application for the terminal.
Here is how it looks:
+----------------------+
|Minesweeper 3/12|
| |
| *-*-*-*-*-*-*-*-*-* Updated January 04, 2022 *-*-*-*-*-*-*-*-*-* | |
| ### Update and install some utilities | |
| sudo apt update && sudo apt-get upgrade | |
| sudo apt install -y curl apt-transport-https gnupg nano | |
| curl https://couchdb.apache.org/repo/keys.asc | gpg --dearmor | sudo tee /usr/share/keyrings/couchdb-archive-keyring.gpg >/dev/null 2>&1 | |
| source /etc/os-release |