Sites promising "fixes" for video playback often host malicious software or intrusive advertisements.

Resolving errors on Japanese-only platforms that might require a local phone number or specific verification.

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Since the user mentioned "fix," perhaps the app isn't functioning correctly on certain devices. They might need specific steps for iOS, where sideloading is more restricted, or Android with different versions. Also, mentioning troubleshooting steps like checking app permissions, updating the operating system, or ensuring sufficient storage space might be necessary.