Shadow Tactics: Blades of the Shogun – 21:9 Ultrawide Gameplay

You’ll need to do a hex edit to get 21:9 working.
Here’s a guide on what you need to edit:

My specs:
Ryzen 5 1600 @ 3.7GHz
ROG STRIX B350-F Gaming
16GB DDR4 @ 3066MHz
Gigabyte GTX 970
250GB Samsung 850 EVO SSD
1TB WD Black 7200RPM HDD