This is the only app that will help you advance in Clash Royale! With this app you will get an extra help to count your opponent elixir easily.
It´s very simple, just press start at the same time you start playing in another device and start counting your opponent cards.
You will have an approximate view of the elixir your opponent used so you can play better with your cards and don't have to be counting in your mind.
Most of the people use this app with friends, you can start playing and your friend can be doing all the counting. Then you will have a clear view of the elixir and decide how to strike!!
You can see a video demo here>
or simply search in youtube for meideisolutions and you will find it.