Marketplace, Microsoft's application store for the platform, continues to perform strongly, however.
The application stores the new words in the user's personal dictionary, where they can be edited.
Because Amazon has its own application store, the company can cut out Google entirely.
New questions are also raised, particularly on the subject of Nokia's new application store.
A successful application store might be a big deal for software developers, but its direct impact on the operating system is negligible.
And, eventually, it showed that there was a lot of value to be had in integrating an online application store.
Making useful software easier to discover is a big challenge for mobile application stores.
One of the iPhone's most successful features is its application store.
Every platform now has a first-party application store of some kind.
The reason it's a competitor is because it delivers a complete user experience from hardware to application store.