Have you tried running any interesting WADs in Dolphin? Got stuck on a specific one? Let me know in the comments!

Reviewing (Wii Application Data) for use with the Dolphin Emulator involves looking at how well the emulator handles "installed" content compared to standard disc images (ISOs/RVZs).

Tools like the Homebrew Channel, internet browsers, or "forwarders" that act as shortcuts to apps on your SD card. DLC: Downloadable content for physical or digital games. How to Install WADs in Dolphin

Instead of launching each WAD directly from the list, you can actually boot the inside Dolphin.

This is the "trust anchor." It contains a series of signed certificates (X.509-ish) that validate the TMD and Ticket. It proves Nintendo (or the "debug" keys for homebrew) authorized this software.