MKey is an Android application developed by MK GROUP. It falls under the Lifestyle category and provides a convenient solution for controlling elevator access through one-time passwords (OTPs). With MKey, users can easily gain access to buildings when they forget their access cards or grant elevator usage permissions to others.

MKey simplifies the process of accessing elevators by generating OTPs within the app. This eliminates the need for physical access cards and allows users to conveniently enter buildings even if they have forgotten their cards. By simply launching the MKey app and generating an OTP, users can quickly gain access to elevators.

In addition to personal access, MKey also enables users to grant temporary elevator usage permissions to others. This feature proves useful in situations where users need to provide access to visitors or colleagues without the need for physical access cards.

Overall, MKey offers a convenient and secure solution for elevator access control through the use of one-time passwords. Its user-friendly interface and ability to generate OTPs make it a valuable tool for individuals who frequently forget their access cards or need to grant temporary access to others.