The screen of the smartphone becomes Dekotora. A message board like a signboard like an electric bulletin board. A large truck that runs through the city. The company name and message are drawn on the loading platform. An ad track that stands out even if you pass each other for a moment. Dekotora with lots of illuminations. Even on a screen that is much smaller than the truck bed When the flickering lights fall Surprisingly, it stands out. It can be used like a place card or name tag. Not onl