The testing of those android that are lower than 4.2 is not allowed.
Selendroid driver supports SDKs starting from API 10, which is Android 2.3.3
Appium has limited support for hybrid app testing. You will not be able to test the action that allows switching of applications from native to web app and from web app to native.
Depending on what one calls “hybrid”. If we are talking about web views support then Appium can switch between native and webview contexts even if there are multiple.
There is no support that will allow you to run Appium inspector on Microsoft windows.
Appium Desktop is based on Atom-Electron and can be executed everywhere where this wrapper is supported, including Windows: https://github.com/appium/appium-desktop/releases