This version is labeled (Asia) . While the Switch is region-free, different regional releases sometimes have specific language packs. Most major Sonic titles include English, but you can verify the supported languages in the emulator settings once it is loaded. Are you having trouble extracting the files, or
It looks like you are dealing with a specific split archive for on the Nintendo Switch. Sonic Frontiers (XCI)(Asia).part1.rar
You cannot open just "Part 1" on its own. You must have all parts (e.g., part1, part2, part3, etc.) in the same folder. When you extract "part1" using a tool like WinRAR or 7-Zip , the software automatically pulls data from the other parts to recreate the full .xci game file. This version is labeled (Asia)
An .XCI file is a "cartridge image" used by Nintendo Switch emulators (like Ryujinx or Yuzu) or on hacked consoles. Are you having trouble extracting the files, or