Go to your device's Settings > Security (or Special App Access ) and toggle on Install unknown apps for your browser or file manager.

To run version 1.0.5 smoothly, your device should meet these minimum criteria: Android 4.3 or higher.

Approximately 732.5 MB for the initial download, though updates may require up to 2.5 GB of free space. Architecture: arm64-v8a. Installation Guide

Since the game is primarily launched for the Chinese market, you may need a VPN connected to a Chinese server and a valid mainland ID number to register. Gameplay & Features Vive Le Football APK: Offline Gameplay Guide - Ftp