Sociala – Social Media Google Slides Template
https://elements.envato.com/sociala-social-media-google-slides-template-VDES6T8
Free 
Applala – Application Showcase PowerPoint Template
https://elements.envato.com/applala-application-showcase-powerpoint-template-UAZZLD
Free 
Devices Mock-up Kit Black Edition
https://elements.envato.com/devices-mock-up-kit-black-edition-BUF4HZQ
Free 
Smart Technology Presentation 2
https://elements.envato.com/smart-technology-presentation-2-VRFM7CY
Free 
Rumena – Mobile Apps Showcase Powerpoint
https://elements.envato.com/rumena-mobile-apps-showcase-powerpoint-JWMLJ3A
Free 
Phone X – 11, 12 Pro Max // App Promo Kit
https://elements.envato.com/phone-x-11-12-pro-max-app-promo-kit-VK978JA
Free 
Moruo : Mobile Apps Powerpoint
https://elements.envato.com/moruo-mobile-apps-powerpoint-VMR43VM
Free 
Smartphone users – Scene Situation
https://elements.envato.com/smartphone-users-scene-situation-Y25T8HC
Free 
Animation Mockup – Device Display Phone
https://elements.envato.com/animation-mockup-device-display-phone-Z4LCKHQ
Free 
Stylish Social Media Stories | After Effects
https://elements.envato.com/stylish-social-media-stories-after-effects-CEXBV45
Free