Oracle Mobile Cloud Service is a mobile backend as a service. MCS does its magic by providing a lot of features to make implementing mobile services easy such as (among many others) authentication, logging/analytics, lookups and calling other services. There are also features available to make integration with mobile clients easy such as providing an easy way to implement push notifications.
The described example is not suitable for a production implementation and is based on limited experience (and watching some really nice YouTube presentations). It is provided to give an idea on how to get started easily with a simple working example.
From the ProgrammableWeb site I found OpenWeatherMap. This site provides current weather and forecasts via an easy to use API. You can get a free account which allows up to 600 calls per 10 minutes. This is enough for this demonstration. Read the complete article here.
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