It's an engine that decrypts or encrypts some text. Press space to make the cat say the text you encrypted/decrypted v1.0:Release v2.0:Numbers are now supported v2.1:Fixed bug.(V and K both had LL)
A=QH B=VH C=WW D=OX E=EE F=PQ G=AL H=XZ I=VV J=OD K=LL L=PA M=MA N=VA O=SX P=PI Q=II R=CZ S=TV T=GG U=ZA V=LL W=SH X=KF Y=AA Z=NN 1=51 2=16 3=29 4=43 5=27 6=99 7=17 8=10 9=47 0=69 SPACE= -