It's not entirely clear what's going to happen with the source of that governmental app, but at least, it's mentioned in https://cio.go.jp/sites/default/files/u

It's not entirely clear what's going to happen with the source of that governmental app, but at least, it's mentioned in https://cio.go.jp/sites/default/files/uploads/documents/techteam_20200526_01.pdf https://cio.go.jp/sites/default/files/uploads/documents/tech... (last page)