It is a tool which records a sound during a telephone call. A recording file is saved below at heardroid directory of SD card in amr format. Please edit at ES file Explorer etc.Exemption matters? I do not assume any responsibilities of all acts that the user does with this software. I do not assume the responsibility in any damage that occurs in relation to the use of this software at all. Notes. 1. Please do not use for criminal acts. 2. There is device model dependence.