Well, you should first catter the audience that is there before trying to attract other ones. If the audience that has to buy games at first doesn't buy games, others aren't even going to try and expand that audience, not even work for them. First sell what is a safer bet, then experiment, to avoid cases of "the console is finantially unviable, we won't develop for it".

Any with actual effort in the porting and marketing. if the question is about wich would sell more among 3rd party games, just ask yourself wich franchises sell more.

More than anything, Nintendo needs to change their image.  If they insist on maintaing their kiddy image, they're going to continue to decline no matter what kind of software they churn out.  Look at the Gamecube; Nintendo did their best to appeal to core gamers that gen, it had decent 3rd party support, it was dirt cheap and the console still sold poorly because it had the image of a baby toy.  It had a freaking handle that made it look like a child's lunch box for god's sake.

I agree with your list, especially PvZ. I think FF would be good too

Not much from the west. The closest "western" (I liken MGS to a western style game) 3rd party that MIGHT sell well is Metal Gear. Snake Eater 3D did okay on 3DS. Not great but okay. I was once a full blown Nintendo fan around 10 or so years ago but I easily got into Metal Gear. Smash Bros. also spiked my interest in the series. Don't think many other western games would fare well except for obvious ones like Minecraft and maybe Skyrim. Skyrim to me was like Zelda on steroidsx10.

As for Eastern games, Final Fantasy should do fairly well on Nintendo. It thrived on Nintendo systems before Nintendo started to short hand people.

It is a very dangerous cycle: Nintendo makes console with really good games; most 3rd parties get overshadowed and sell less than in other platforms; less 3rd parties come as a result of it; with less 3rd parties comes less users, the ones that stay are the ones buying mostly Nintendo games;because there are less multiplats and 3rd parties, less new blood comes to the consoles and more go to other platforms; the 3rd party situation gets worse and more go to develop to other platforms, less people on the consoles...

The Wii broke it adding the casual audience into the mix with the motion controlls, and that gave the costumers the confidence to trust in the Wii's library. The NX must do something similar, but without expecting the casual phenomenon to come back.

The combined list is huge and if Nintendo does go this route than it significantly reduces the need for mulitplatform titles because there is such a vast number of games only found on their platform.

Also, a shared library would have helped a lot to some games. Dragon Quest VII and VIII would perform well on home consoles, and niche games like W101 would have performed well in a handheld setting. Most 3rd party console games would have sold well in handhelds, even if the experience isn't on par (the same with handheld games)

I see 3rd Party developers split into 3 groups for Nintendo:

Group 1:
The low hanging fruit for Nintendo are definitely the Japanese 3rd party developers that are currently supporting the 3DS. Nintendo already has an active relationship with these developers and they should definitely try to secure their support on the NX (especially if the NX is going to be a unified console-handheld concept). Square Enix, Capcom, Atlus, Platinum, etc... are essential for the NX. They should try to get as many Final Fantasy, Monster Hunter, and Etrian Odyssey games lined up as they possibly can before the console launches. We also know that Nintendo fans will buy these games because Nintendo fans are the ones who are currently buying them on the 3DS.

Group 2:
The next group Nintendo should target should be western developers that Nintendo has past relationships with but have lost during the Wii U's life. This includes companies like UbiSoft, EA Sports, and Activision. I think if the outlook and hype surrounding the NX starts to look good as we approach launch, it will be really easy to get these developers back. If the NX sells well (ie. at least 30 million with a decent market share in the west) then these developers will probably be mainstays on Nintendo consoles again without too much effort from Nintendo. Nintendo fans will also likely buy these games on mass because a lot of these titles have a long history on Nintendo platforms prior to the Wii U era.

Group 3:
The last group are the western third party developers that don't have a strong past relationship with Nintendo: Bungie, Naughty Dog, Rockstar. These developers won't be easy to get on a Nintendo console because I don't think they even really supported Nintendo during the lucrative Wii era. I am also not sure if Nintendo fans would buy enough of these games for it to be profitable (even with a large install base). If I was Nintendo, I probably wouldn't worry much about securing the support of this group.

True. Nintendo needs to end this droughts, they are killing their hardware bussiness. I hope that sharing the libraries will allow them to speed the software production up.

I disagree on the Wii part. The Wii had a lot of support, tons, in fact. But 3rd parties saw the potential of that casual audience and dedicated way more efford on shoverlware and motion controll-based minigames rather than on the core experience (and looking how well the former ones sold compared to the latter, and how quick and cost-effective they were, that',s not surprising). After the Wii was replaced, we can find tons of good core games (Mad World, No More Heroes 1&2, Little King's Story, Dead Space: Infestation, Red Steel 2, The Last Story, Pandora's Tower, Rayman Origins...), but back in the day, they were massively overshadowed by the rest.