Sony Worldwide Studios President Shuhei Yoshida confessed to Gamasutra that he thinks developers are missing out by not investing more in the PS Vita.
"One thing that was surprising and disappointing to us was the [lower] number of third parties to come out [in support] after launch," he said.
"In retrospect, there are so many options for publishers now that we cannot take it for granted that our new platform would be supported by third parties, like [it would've been] many years ago."
Yoshida added that Sony is aware that game-makers are constantly having to expand into "new areas," likely meaning mobile development, but that he believes the Vita is "the right hardware platform."
He concluded that more developers should flock to the system as it becomes more clear what works and what doesn't. "As we can expand our install base and articulate what works really well on the platform as compared to others, it will get easier for us to be able get support from third parties," he said.