| CPC G06F 21/44 (2013.01) [G06F 21/629 (2013.01)] | 20 Claims |

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1. A method implemented by a first device and comprising:
sending, to a second device, a first request carrying a first identifier of the first device, a second identifier of a first application of the first device, and a third identifier of a second application of the second device;
receiving, from the second device, a first response indicating a first group created by the second device, wherein first members of the first group comprise the second application;
sending, to the second device, a second request requesting to add the first application to the first group; and
migrating a first function in the first application to the second application,
wherein the first function comprises one or more graphical user interfaces (GUIs).
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