The R4 DS Card sets a very high standard in the world of gaming by expanding the possibilities and capabilities of what you can do with your Nintendo DS and DSi console. You will also need to purchase a micro SD Card in order to use the R4 DS as that is not included with the package. The number of features and functions you'll have once you use the R4 DS Revolution is truly astronimical. You will be able to do thing with your Nintendo DS and DSi console that you never thought possible once you have your R4 Card.

When you first see the R4 DS Card you'll instaly thinkg that it's just a regular game card for the Nintendo DSi. The R4 Card is the exact same in size as a regular Nintendo DS Card, but it's far from regular.

R4 Cards are adapters in a sense, for micro SD Cards, created to enable you to use these memory cards with your Nintendo DS. The Nintendo DS and DSi are both portable hand held game systems that are used to play video games on the go. By using re-writeable microSD Cards, the R4 Card allows you to load and store files from the microSD Card as well as adding a multitude of features and functions to your Nintendo DS and DSi systems.

The R4 Cards, unlike regular Nintendo DS Cards, are completely rewritable and can be used over and over again to load and store different games, movies, music, eBooks and more, all of which can be used on the Nintendo DS. There are a lot of free homebrew games and applications developed especially for the R4 DS and can be downloaded freely online from NDS homebrew gaming websites and used directly on your Nintendo DS. And with the R4 Card using rewritable microSD Cards, when you're finished with a set of games or want to change up your movies and add new ones, you can quickly and easily delete the files from the microSD card to make room for the new games, apps, music and eBooks you want to use.

R4 DS Cards can be used to play games, homebrew applications, homebrew games, full length movies, mp3 music and it even turns your Nintendo DS or DSi into an eBook reader. Homebrew games are games developed by game designers that they make in their spare time or as pet projects, they then release these games absolutely free for everyone to download and play, so long as they have an R4 Card. Similar to Freeware software on computers. And in case you missed what I said - all of these games and apps are free - as in freeware and downloadable absolutely free on the web.

If free games were not enough for you - then you'll surely be interested in the included movie and music player for the R4 Card, allowing you to turn your Nintendo DS or DSi into a portable movie player and iPod like MP3 Player too. Some of the homebrew games and application ask that you donate, but 99% of the time it's not a requirement to actually play or download the full game. With the r4 DS Card you can store and load all of the mention types of media. Game, application, movies and music. And if reading books is your thing - the Nintendo DS it a very capable ebook reader too.

This slot 1 flash card has no compatibility when it comes to GBA files or homebrew applications. The functions and amount of storage that your R4 Card will have is based solely on the size of the microSD Card that you purchase. The DSi XL will be able to perform new functions and a slew of features are added, simply by adding an R4 Card.