rcmd - rcmd makes app switching instantaneous!When you have a lot of apps open, finding and switching to them might feel too slow using Command-Tab or the Dock.Hold down the right side |⌘ command| and press the first letter of the app name to focus it.
Type2phone - Type2Phone: Use your Mac as keyboard for iOS devices
Charmstone - The quicker switcher launcher for macOS
Typeeto - Use Mac’s keyboard to type on iPad, iPhone, Android, etc.
SwitchGlass - Customizable app switcher for Mac
1keyboard - Type on your iPhone, iPad or AppleTV using your Mac keyboard