Application hosting in a distributed application execution system

A server system, comprising:

• one or more processors;
• memory;
• and
• one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for:
• storing a plurality of applications, including a respective application, in a library for distribution among the application servers;
• adding a first instance of the respective application from the library to a respective application server for execution;
• obtaining usage information of one or more applications added to the application servers;
• and
• in accordance with the usage information, performing one of a predefined set of actions that includes:
• adding a second instance of the respective application to the plurality of application servers;
• and
• removing the first instance of the respective application from the respective application server.

A non-transitory computer readable storage medium storing one or more programs, the one or more programs comprising instructions, which when executed by a computer system with one or more processors, cause the computer system to:

• store a plurality of applications, including a respective application, in a library for distribution among the application servers;
• add a first instance of the respective application from the library to a respective application server for execution;
• obtain usage information of one or more applications added to the application servers;
• and
• in accordance with the usage information, perform one of a predefined set of actions that includes:
• add a second instance of the respective application to the plurality of application servers;
• and
• remove the first instance of the respective application from the respective application server.