Adding new App

My Cloud OS 3 Personal & Network Attached Storage My Cloud
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What made you think you could add apps to your MyCloud?

If you have a Gen1, v4 firmware, single-bay MyCloud, you cannot officially add apps.

If you have a Gen2, v2 firmware, single-bay MyCloud, you cannot officially add apps. However, there is a hack you can use to enable the addition of apps: