Amiibo

amiibo (アミーボ) are a line of interactive figurines available for usage with the Wii U and Nintendo 3DS systems.

Function
amiibo are collectable figures that were first introduced for Super Smash Bros. for Nintendo 3DS and Wii U. Using near field communication via the Wii U gamepad, Nintendo 3DS amiibo adapter platform, or the New Nintendo 3DS touch screen, scanning an amiibo unlocks special content in numerous Nintendo video games. Currently, there are four Fire Emblem amiibo figures: Marth, Ike, Robin, and Lucina. A Roy amiibo has been confirmed for future release.

Usage
The above four amiibos can be used for the following games with the following effects in game:
 * Chibi-Robo! Zip Lash - Unlocks in-game figurines of Chibi-Robo imitating the scanned amiibo's pose.
 * amiibo tap: Nintendo’s Greatest Bits - Unlocks demos of various classic games.
 * Captain Toad: Treasure Tracker – Gives the player 1-Up Mushrooms
 * Code Name: S.T.E.A.M. - Makes the scanned character usable once per level, although they cannot be revived at checkpoints.
 * Fire Emblem: Fates - Allows the player to challenge the scanned character to battle and recruit them.
 * Hyrule Warriors - Gives the player a weapon with up to three stars, a random material, or a random number of rupees. Up to five can be scanned daily.
 * Mario Party 10 - Allows the player to play Scratch Bonus and win Mario Party points.
 * Nintendo Presents: New Style Boutique 2 - Fashion Forward - Unlocks a special skirt design based on Lucina's outfit. (Lucina Only)
 * One Piece: Super Grand Battle! X – Unlocks a Marth costume for Brook. (Marth Only)
 * Super Mario Maker - Unlocks the ability to use the scanned character as a Costume Mushroom for Mario in the level editor mode.
 * Super Smash Bros. for Nintendo 3DS and Wii U - Allows the player to train a computer controlled allied character of the scanned amiibo.
 * Yoshi’s Woolly World – Unlocks a yarn print based on the scanned character.

Trivia

 * The first physical non-E-Book item ever sold through Amazon.com Mexico was an Ike amiibo.