In Settings -> About -> Frequently Asked Questions, it says the old email adress and old github link from the SimpleMobileTools.

FATAL EXCEPTION: main
Process: com.goodwy.filemanager, PID: 1881
java.lang.IllegalStateException: The application's PagerAdapter changed the adapter's contents without calling PagerAdapter#notifyDataSetChanged! Expected adapter item count: 3, found: 2 Pager id: com.goodwy.filemanager:id/main_view_pager Pager class: class com.goodwy.commons.views.MyViewPager Problematic adapter: class e6.a
at androidx.viewpager.widget.m.populate(SourceFile:119)
at androidx.viewpager.widget.m.populate(SourceFile:1)
at androidx.viewpager.widget.m.onMeasure(SourceFile:190)
at e6.d.onMeasure(SourceFile:43)
at android.view.View.measure(View.java:27423)
at android.widget.RelativeLayout.measureChildHorizontal(RelativeLayout.java:735)
at android.widget.RelativeLayout.onMeasure(RelativeLayout.java:481)
at android.view.View.measure(View.java:27423)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:7018)
at androidx.coordinatorlayout.widget.CoordinatorLayout.s(SourceFile:7)
at com.google.android.material.appbar.q.onMeasureChild(SourceFile:93)
at androidx.coordinatorlayout.widget.CoordinatorLayout.onMeasure(SourceFile:394)
at android.view.View.measure(View.java:27423)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:7018)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:194)
at androidx.appcompat.widget.ContentFrameLayout.onMeasure(SourceFile:160)
at android.view.View.measure(View.java:27423)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:7018)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:194)
at android.view.View.measure(View.java:27423)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:7018)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:194)
at android.view.View.measure(View.java:27423)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:7018)
at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1608)
at android.widget.LinearLayout.measureVertical(LinearLayout.java:878)
at android.widget.LinearLayout.onMeasure(LinearLayout.java:721)
at android.view.View.measure(View.java:27423)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:7018)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:194)
at com.android.internal.policy.DecorView.onMeasure(DecorView.java:768)
at android.view.View.measure(View.java:27423)
at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:4409)
at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:2953)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:3289)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:2659)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:9789)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1399)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1408)
at android.view.Choreographer.doCallbacks(Choreographer.java:1008)
at android.view.Choreographer.doFrame(Choreographer.java:938)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:1382)
at android.os.Handler.handleCallback(Handler.java:959)
at android.os.Handler.dispatchMessage(Handler.java:100)
at android.os.Looper.loopOnce(Looper.java:232)
at android.os.Looper.loop(Looper.java:317)
at android.app.ActivityThread.main(ActivityThread.java:8501)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:552)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:878)