I'm pretty sure that R4 automatically DLDI patches, so you won't have to worry about that. For jEnesisDS, you probably will need a Genesis ROM. Downloading copyrighted ROMs is illegal, and you're not suppose to talk about it on these forums. Use Google to search for "Genesis Homebrew ROMs" and use those. Unfortunately, I have no idea what Shining Force II is, so I won't be able to help much. Does the game have a .nds extension? If it doesn't, then try to look in the download and look for one with the .nds extension.
If I got anything wrong, then please correct me.
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