The 1988 released Atomic Robo-Kid by UPL now available again for the PlayStation 4 users in Japan from the PSN the PlayStation Archives.
The game is the official port version with the same content, with the same dot style graphics and you can buy it for 823 Yen (with tax).

The only change is that the game now supports the SHARE features of the PlayStation 4 console. If you like the retro games try this game!