You can get Emote Key by buying in Tv womans shop for 100 gems or  you can get emote keys from robux shop

Emotes you can get from Emote key
19% - Thumbs Up

19% - T-Pose

19% - Threaten
8.7% - Toilet Sit

8.7% - Kazotsky Kick

8.6% - Company Dance

8.6% - Parrot Wiggle

2.5% - Orange justice
2.5% - The Star

0.8% - breakdance

0.8% - Shadow emergence

0.8% - Boogie down

0.4% - Take The L

0.3% - The Honored One

0.3% - Gambler Dance