Dynamic pin screen lock

Lock your screen with state-of-the-art authentication algorithm.
Dynamic pin screen lock helps to secure your PIN from shoulder surfing and key loggers.

When you type the same PIN every time, there is a good chance your friends , electronic surveillance or others knowing it . How will you avoid that?

Dynamic pin screen lock changes the pin based on an expression you set in the application. After every use, the pin is destroyed and new pin is generated. Only the user, who know the expression can evaluate the new pin. Deducing the expressions from pin is not a trivial task .

You can set any expression like a+d , a*f , g-c ...

Notification details about matrix will appear on every restart.

SCREEN LOCK IS FOR NON-ENCRYPTED DEVICES ONLY.

KINDLY NOTE PIN IS SET AS 0000 DURING VALIDATION .

***If your expression encounters divide by zero , the result is zero .

ONE TIME VALIDATION :
It helps to fix android fragmentation in matrix display & for reliable notifications in Lollipop and Marshmallow. Validation code details will be available for

JELLYBEAN , ICECREAM & KITKAT :
Samsung Devices - In lock screen itself
4.2+ Kitkat - Via Lockscreen widget
Others - In Emergency dialler

LOLLIPOP & MARSHMALLOW :
Type incorrect pin to hear validation code.
* Consecutive 4 incorrect pin entries will give matrix details via audio.

BASIC & ADVANCE PACK :

* Set any expression using + , -(~) , * , / , % , ^ .

* MIN(a,b) - Minimum Function

* MAX(a,b) - Maximum Function

* LOOK function
LOOK function has higher entropy without trading computation time or speed.
GoTo Expression--PersonalExpression--PIN Formula--type LOOK--Practice & Confirm for setup.
For LOOK function,
https://dynamicpin.quora.com/LOOK-FUNCTION

*Further new functions will be added in due course.

Examples :

a-p - Subtract first and last elements in the matrix.

(a+d+m+p) - Add corner elements of the matrix.

mail me your feedback at vijrathina@gmail.com