Is there any android or iOS app or windows desktop... @KukaiWallet

Answer 2: While Kukai is a web wallet, there are several apps available for Android and iOS devices that provide access to the Kukai wallet. Additionally, there are also Windows desktop applications that allow users to access their Kukai wallet on their PC. These apps provide a convenient way to securely store and manage cryptocurrency, as well as send and receive payments.

Kukai is a web wallet so you can use it on any browser, it's not an app.