Android App Presentation Template by MotionMediaGroup on CGguy
https://elements.envato.com/android-app-presentation-template-V7PX5M8
Free 
App Commercial 2 by MotionMediaGroup on CGguy
https://elements.envato.com/app-commercial-2-V4C2SN9
Free 
Android Web / App Promo by Imocean on CGguy
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Free 
Phone & Tablet – Web / App Product Promotion by Imocean on CGguy
https://elements.envato.com/phone-tablet-web-app-product-promotion-V35APEX
Free 
Phone Presentation Kit by Imocean on CGguy
https://elements.envato.com/phone-presentation-kit-V5SF7QA
Free 
Phone 11 App Presentation Mockup by Lugansky on CGguy
https://elements.envato.com/phone-11-app-presentation-mockup-KTCDBW5
Free 
Fast Phone App Intro by Bogdafon on CGguy
https://elements.envato.com/fast-phone-app-intro-E29YDE3
Free 
Android App Promo by Videostones on CGguy
https://elements.envato.com/android-app-promo-VZ764YB
Free 
Phone 11 Pro App Presentation Mockup by Lugansky on CGguy
https://elements.envato.com/phone-11-pro-app-presentation-mockup-L34SY6H
Free 
Phone App Presentation by Lugansky on CGguy
https://elements.envato.com/phone-app-presentation-4H895FY
Free 
Web Developer Promo by ConceptCafe on CGguy
https://elements.envato.com/web-developer-promo-CKLYRB2
Free