Akindo Sei no Little Peso.

Planet Akindo is the best in the universe at earning money. Prince Peso, the planet's ruler, lives a bum's life of playing smartphone games every day, always concentrated on paying micro-transactions. One day, the king demands that all the money in the universe be brought to him, and Peso and his lackeys are cast out. Now, Peso travels the universe, meeting aliens and fighting them in business battles.