"The core of Key is based on a ....." So either it was called key, and Kei is a homophone, or visa versa, thus the mispelling or 2 translations from a differen

"The core of Key is based on a ....." So either it was called key, and Kei is a homophone, or visa versa, thus the mispelling or 2 translations from a different language, or they really like Kei cars ?