Join Spanish-language emulation Discords (e.g., "Emulación Android Chile" or "Yuzu Android ES"). These communities have verified Google Drive links that are manually tested weekly. Because Google Drive scans for viruses, the files are safer than random ROM sites.
Download "Hash Checker" from the Play Store. Compare the MD5 checksum of your downloaded file to the one listed on the ROM website. If they match, the file is verified .
If the keys match your firmware version, your games will appear on the home screen.