Hey Hey
Found this in discord, I hope it helps.
Hotkeys for Desktop Version:
P = Pause/exit Fight
T = Profile calling on base or Auto Battle
R = Replay Battle (Shop Limited Special Offers tab if called on base)
C = Champions
E = Events
Alt+Enter = Fullscreen in/out
Shift = Speed in Battles (Left side menu if called on base)
N = Daily rewards calling on base
V = Challenges calling on base
Z = Also shop but Packs tab
I = Inbox if called on base or info in battle
H = Clan info calling on base
K = Progress Missions calling on base
L = Daily quests calling on base
X = Champion Index Calling on base
Q/W/E = A1/A2/A3 in battle
Good luck and have fun