User Review
( votes)To enable the new experience for the app, navigate to the side menu and toggle on the New design (preview) option.
Get all the details here –
Check other posts on Power Apps Mobile App
Push Notification – https://nishantrana.me/2021/02/17/in-app-or-push-notification-model-driven-app-2021-release-wave-1-power-apps-dynamics-365/
Sub-grid and Form tabs improvements – https://nishantrana.me/2020/09/28/sub-grid-and-form-tabs-improvements-in-power-apps-mobile-app/
Hope it helps..