Joni Nuutinen has released yet another in his Conflicts series of games for Android, Invasion of Japan, an historically accurate wargame modeling the never implemented invasion of Japan by the United States, Operation Downfall.  I believe this is the 34th(!) game in the series.....

Release date: 1/30/17

Price=$4.99

Link: https://play.google.com/store/apps/details?id=com.cloudworth.downfallp1&hl=en

   Invasion of Japan 1945 (full)- screenshot     Invasion of Japan 1945 (full)- screenshot  https://lh3.googleusercontent.com/yzF4dKHggRumhSO820udtyfKc57si3RQDN6pos5pKNsUBbpXCkFflR138rux1DWoxwtN=h900