Users have described unresponsive touchscreens, crashes and freezes.
Glitches in new consoles are not unusual, but experts have been surprised by the number of related postings sent to Twitter and YouTube …
… complaints of technical issues have threatened to take the shine off the launch, prompting the company to issue a statement on its PlayStation site.
"Currently, our information centre regarding PlayStation Vita as well as our usual customer service centre are receiving many enquiries. We apologise if your phone isn't connected straight away," it said.
"Some issues regarding PlayStation Vita can be addressed by simple procedures at home," it added, going on to provide a list of questions and answers to tackle problems including the console refusing to start-up.
In addition the firm has released a firmware update that users must install if they wish to be able to continue going online with the device.
Experts said that other manufacturers had bounced back after facing similar early setbacks.
"One of the biggest problems Microsoft faced with its early Xbox 360 consoles were 'Red Ring of Death' failures – but the company overcame them and the system is now one of the best-selling in the world," said Christopher Dring from MCV, a video games industry magazine.
Did the company use the island nation as a big ol' beta test? Hard to say, but when the PSP Vita hits the US and Europe on February 22nd, we'll see if it's really ready for prime time, first hand.