Enabling power saving on your phone can significantly reduce heat by slightly lowering the emulator's speed.
Rather than searching for obscure strings that may lead to malicious sites, the community generally recommends verified repositories: Does anyone have this complete rom set for Nintendo DS.
Most collections are distributed in compressed formats like .zip, .7z, or .rar. You must extract these using tools like 7-Zip or WinRAR before they will work on a DS console or emulator.
The keyword "hot" often refers to mobile devices overheating while running demanding NDS emulators.
On a flashcart or SD card, it is best practice to create a dedicated folder (e.g., /Games/NDS ) to keep your library organized and ensure the system can index them correctly. Solving "Hot" or Overheating Issues