Move your finger on the blackboard / chalkboard to create the annoying screech!
Choose between nails and chalk piece - Yea, the chalk piece allows you to draw :) Finger nail just scratches the board! *shudder*
Annoy your friends in office or home with the ultimate authentic screecher!
** Please note: This app may cause annoying sounds and feels. Use with caution. Test the volume levels before turning them up or using earphones. **