This is on Version 0.2-1 from F-Droid.
E java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String ch.logixisland.anuto.entity.tower.Tower.getName()' on a null object reference
E at ch.logixisland.anuto.view.game.TowerView.onTouch(TowerView.java:125)
E at android.view.View.dispatchTouchEvent(View.java:8474)
E at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2406)
E at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2050)
E at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2406)
E at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2050)
E at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2406)
E at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2050)
E at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2406)
E at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2050)
E at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2406)
E at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2050)
E at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2406)
E at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2050)
E at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2406)
E at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2050)
E at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:2625)
E at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1770)
E at android.app.Activity.dispatchTouchEvent(Activity.java:2742)
E at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:2586)
E at android.view.View.dispatchPointerEvent(View.java:8675)
E at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:4129)
E at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:3995)
E at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3550)
E at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3603)
E at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3569)
E at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:3686)
E at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3577)
E at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:3743)
E at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3550)
E at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3603)
E at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3569)
E at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3577)
E at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3550)
E at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:5813)
E at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:5787)
E at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:5758)
E at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:5903)
E at android.view.InputEventReceiver.dispatchInputEvent(InputEventReceiver.java:185)
E at android.os.MessageQueue.nativePollOnce(Native Method)
E at android.os.MessageQueue.next(MessageQueue.java:143)
E at android.os.Looper.loop(Looper.java:122)
E at android.app.ActivityThread.main(ActivityThread.java:5294)
E at java.lang.reflect.Method.invoke(Native Method)
E at java.lang.reflect.Method.invoke(Method.java:372)
E at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904)
E at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:699)
ActivityManager W Force finishing activity 1 ch.logixisland.anuto/.view.game.GameActivity