"Momokai" is a company that specializes in making macro devices. They offer products like the Sim Pad 2 and Sim Pad Nano, which are programmable hot-swappable mechanical keypads. Reviews on Trustpilot show a mixed response from customers. Some customers have praised the quality of the products, stating that they function perfectly even after a year of use. However, others have reported issues such as double tapping and faulty cables. There are also instances where customers did not receive their order. Therefore, while "Momokai" appears to be a legitimate company, potential buyers should be aware of these mixed reviews and make an informed decision.