The first thing you need to invest in to play ROMs on your DS Lite is a flash cart. This can be purchased at a variety of web sites online. Most modders go with what is called a R4 flash cart. Format the MicroSD card to a FAT file system.
The Nintendo DSI will have Wi-Fi. .
Yes, the Nintendo DSi has a slot for SD memory cards. Keep using !
Once you've successfully connected to the DSi Shop, you will be able to download a...
Yes, the Nintendo DSi does feature a web browser. You can download things with it.
Currently there's no legit way to install Java on a DSi. There are hardware issues...