BBM Customizer is an all in one tweak for Blackberry Messanger.
Current Features:
Hide Read Receipt
Doesn't send read receipt to others when you read their messages
Hide Typing Indicator
Doesn't show others that you are typing
Unlimited Ping
Removes the 3 ping limit and allows as many as you want
Hide Call Button
Removes voice call button inside chat
White Keyboard
Change your keyboard color to dark style.
The package includes a Flipswitch to turn on/off Stealth mode from control center (Hide Read Receipt and Hide Typing Indicator)