Expected behavior When I access the github link in the About menu section. The link is an error and I can not go back on the previous menu. Actual behavior I did it repeatedly, but did not make it back

Expected behavior I have successfully installed K9-mail application on android device, then I open and run this application. After I enter the google account I want to use in the K9-mail app. Next I open

Expected behavior I have successfully installed the Wi-PWN app, then I try to use this app and run it, after opening the app I want to use the provided Scan feature and some other features provided, but