Call of Duty Mobile: Legends of War is still in beta version updated on June 8th 2019. As of now, the 1.0.3 is the latest version of Call of Duty Mobile: Legends of War for Android.
This is the APK file download for Call of Duty v1.0.3 for Android.
But this is not enough to play the game. Visit the following page to know how to install and play Call of Duty Mobile APK on Android.