Leviathan on Android (https://play.google.com/store/apps/details?id=com.paradoxplaza.leviathanwarships&feature=nav_result#?t=W251bGwsMSwxLDMsImNvbS5wYXJhZG94cGxhemEubGV2aWF0aGFud2Fyc2hpcHMiXQ..)
Thanks for the heads-up, though this probably belongs in the mobile gaming forum.