Sony going to release on June 22, 2017 in Japan the PlayStation 4 version LocoRoco which will be the official remake of the 2006 released PSP game. The price will be only 1800 Yen + tax and you can already pre-order it from the official stores in Japan. This is the price of the package and download version too!
With the announcement, Sony published the official package visual of the game with the latest promotion video what you can watch above. Sony at the moment is working on several PlayStation / PSP remake for PlayStation 4. The latest remake which is available on the market is the PaRappa the Rapper and the next one (after the LocoRco) will be the Patapon which will be available in this year too (release date is unknown). Until more information please stay tuned.