"openChar" via Bluetooth to let you communicate with the people around, without a network connection, and never will collect your personal data.
Nearby you can find also in use "openChar" people exchange name, signature and other personal information with them. Each exchange will be recorded in the timeline, if you open the location-based services, you can also see the location of each record information. you can also choose to hide personal information, anonymous exchange.
You will receive special offers from nearby (via "openChar" commercial version "openChar +" transmission).
After the text file is imported into the device by iTunes, you can browse it in the "openChar", you can also use Bluetooth to send to other people.