The ‘Help’ section provides good instructions on how to use this app:

To record your voice or sounds, press ‘Record’. The timer will start. 

To stop recording, press ‘Stop’. 

The file of the recording will appear on the screen, labelled by the date and time of the recording. 

Media files are stored in the folder music/vcrcrd. 

To locate this, go to File Manager in your KaiOS device → Internal → Music → folder vcrcrd.  

Listen to your recorded files by selecting the file, then pressing ‘OK’. 

To stop playing the recording, press ‘OK’ again. 

To delete a file, select the file and press ‘Delete’ then confirm. 

To increase volume, press ‘3’. To decrease the volume, press ‘1’.