What is Deck Memo?
You can save decks to Deck Memo.
And you can copy the deck of Deck Memo to Clash Royale app.
What is deck link?
For example:
https://link.clashroyale.com/deck/en?deck=26000010;26000014;26000021;26000030;26000038;27000000;28000000;28000011
Get deck link
Copy the deck on app's deck page.
Add deck to Deck Memo
Enter text containing deck link, and push "Add" button.
About data
Deck Memo data is associated with cookie.
So if you delete cookie your deck memo disappear.
Restriction
You can save at most 50 decks.
The Deck Memo that are not displayed 20 days is automatically deleted.