Found two different translations:
Final Fantasy XIII
-The male's name is related to weather, but not related to Lightning, he is 33cm.
-The summons have greatly changed, as Shiva is now able to turn into a bike, and supports more then one element.
-There seems to be a hard time with the battle system when you are with the bike however, but it is possible to use the bike while in battle.
-The Crystals in the game have the power to "Invent" something.
Final Fantasy Versus XIII
-The Game play is similar to that of Kingdom Hearts, but it is still being worked on.
-The Hero does have his limits, he is able to teleport for a short while to where he throws his weapons.
Final Fantasy Agito XIII
-This game will be brought to the cellphone at the end of 2007
-Besides the picture, the entire game will be in 3D
-The Hero is suppose to be protecting a crystal.
Source: FF7AC Reunion and Nekogagotoku Blog.
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Final Fantasy XIII
1. There is a floating Cocoon that is protected by a Machine, this Cocoon is known to be created by the Crystal, and it prospered there.
2. Residents of the City began to fear the Crystal, due to it's "Foreign" state.
3. The Cocoon, awakened, while someone was in the City, people began to suspect the person alot, and thought of him/her as an "Invader" soon that suspect began to turn into hate.
4. In order to stabilize the cocoon, emergency treatment was done.
5. A large amount of residents were restrained, and moved to the pulse of this World. Although in reality it was just a Virtual Banishment.
6. The Crystal chose that person, giving them fate to lead the World. "She" was chosen and became an enemy of the Human Race, and was believed to lead the world into ruin.
7. The Name of the mysterious blond male indeed represents the weather, however has no relationship towards Lightning.
Final Fantasy Versus XIII
Originally there was no good or evil, however soon it was divided into good, and evil. It was the last Kingdom where the crystal was held. The Kingdom is very modern, it is so advanced, that civilization there itself, is isolated from the Outside World. This City is protected by the Magic Order. A group from the Outside World, began to invade the city, and there the fight for the last crystal begins, this however is the start of a new generation.
Action: The gameplay is said to have similar Qualities to that of Kingdom Hearts, however more things have been added. One of the abilities you can use is that of the Main Character can warp to wherever his weapons are thrown.
Source: ff-xiii.net and Nekogagotoku Blog