Surprise Google has released the Android TV Remote App For iOS and it is already available to download.

Android Tv Remote App For iOS Interface
Android Tv Remote App For iOS Interface

The app has many features, it has both a d-pad mode, touch mode, and offcourse you can voice search with it.

If you want to search or you need a keyboard to input text now you can it has built-in keyboard.

Now you can Connect multiple remotes and play multiplayer games.

So basically it is your remote for Android TV and with other useful features.