DoCoMo will offer SDK and backend server-side support to build on their new “Air Stamp” platform http://bit.ly/1e2UPqS
NTT Docomo Inc will make its “Air Stamp” technology available to companies that provide services for smartphone users. The technology notifies a smartphone user of his/her entry into a certain area (check-in function) by using a smartphone application.. continued >>
The Air Stamp transmits unique ID from a sound generator installed at a store, etc by using sound waves in a high-frequency range that cannot be heard by humans. NTT Docomo has been using the sound wave-based check-in function for the “Shopuratto” service, which gives points to users who come to a store with their smartphones. This time, the company will make the technology open source so that it can be used for other companies’ applications. See the official Air Stamp announcement via DoCoMo in Japanese.