You can let the "Turtle Z" app to detect an incoming call, disconnect the call automatically and then
send the reply words of SMS set by you before.
You can activate "Turtle Z" just by flipping the phone to downward.
In meeting, put the phone screen down then SMS reply will be sent.
In driving, put the phone screen down then SMS reply will be sent.
If you're in difficulty to reply on incoming call, flipping the phone will send the SMS reply.
Hope to have fun with "Turtle Z".