Using it with a test URL (google()com\favicon()ico) allowed that to download just fine, but nothing else. What link are you trying to download?
Also the dev admitted that it was just kinda too old and gave up on it (GitHub issue #14)
On Linux (Xubuntu) I am getting the "Error: Could not find or load main class com.olmectron.forwarder.Forwarder3DS" when trying to run the .java. I reinstalled the Java JDK which says that it includes JavaFX. I was unable to find any other way of installing JavaFX. I don't see any other...
Is there a way that I can transfer retail games to my sd card so I won't need the cartridge to play the game? I don't really care if I do it with Homebrew or something else.