I just found a source of the article that a new Katamari game was in the works or a trademark was filed in the Europe Region. But in the future, just don’t blame me, if it comes to mobile again, just because it depends on how Bandai Namco done something to the franchise. If it’s a Remaster or a collection coming to Consoles, then our voices are truly heard. Let’s just make our fingers cross that is the case. Keep that in mind that nothing isn’t true yet, it’s just a rumor. 

Sources: 

http://www.siliconera.com/2018/09/07/katamari-damacy-reroll-trademarked-in-europe/

https://www.resetera.com/threads/bandai-trademarks-katamari-damacy-reroll.67047/

-Thanks to that person who posted the rumored leak on resetera