IPod games are in the form of .ipg files, which are actually .zip archives in disguise. When unzipped, they reveal executable files along with common audio and image files, leading to the possibility of third party games. Apple has not publicly released a software development kit (SDK) for iPod-specific development. Apps produced with the iPhone SDK are compatible only with the iOS on the iPod Touch and iPhone, which cannot run clickwheel-based games. All iPods except for the iPod Touch can function in "disk mode" as mass storage devices to store data files but this may not be the default behavior.
IPod Touch (5th generation) the earpods that comes with the iPod does not include a remote and mic. The Voice Control feature can also be used to identify a track, play songs in a playlist or by a specific artist, or create a Genius playlist. Like the iPhone 4S and later models, the fifth generation iPod Touch was the first in the iPod Touch line-up to include Siri, that allows the user to operate the device by spoken commands. The software was improved in iOS 6 to include the ability to make restaurant reservations, launch apps, dictate Facebook or Twitter updates, retrieve movie reviews