Hi,
Power BI app is currently not available for Android tablets.
We are evaluating this effort and update. If you would like to promote this feature You can vote and subscribe to updates for the feature using this link: https://ideas.powerbi.com/forums/265200-power-bi-ideas/suggestions/9685161-power-bi-app-for-android-...
More votes for an idea helps us prioritize and build that feature more quickly, and by subscribing you'll get updates when we plan and complete the idea.
If you have any specific large screen phone model that you would like us to support please replay and we will look into this.
