A: No. That is a fake. Slick Entertainment never made a mobile version of the original Wik. If you see an APK, it is likely a malware clone.
Since the game is now considered "abandonware" by many, various unofficial sites host the files. Exercise extreme caution and use up-to-date antivirus software if you choose to use non-official download sources, as these are not verified for safety. Indie Postmortem: Reflexive's Wik & The Fable Of Souls Wik the Fable of Souls -Normal Download Link-