Hello,
Thank you so much for positing for your requirements.
Surely, We are ready to help you with build an app which replaces or extends the unlock screen.
Yes, We are ready to help you with build a app where you ask a simple question to unlock the phone. Yes, you enter the right answer and the phone is unlocked.
Yes,This will be dynamique where you will ask for almost everything.
We have understood your requirements. Let discuss little more?
We are ready to start the work now!
Rest be assured you we will offer you the best.
Please review our profile and past work here:
https://www.freelancer.com/u/OutsourceMan
Thanks P.S. Be assured you will have a nice time
vaishali
Business Analyst