Android存在的问题是，没有明确的指示哪些应用程序是正在运行的，也没有一个简单的方法来退出或强制关闭。
The problem is that there’s no visual indicator of which apps are running, nor is there an easy way to exit them or force them to close.
如果用户看到这个光标而您的程序没有任何反馈的话，用户可能认为您的程序已经失去响应从而强制退出您的程序。
Users who see this cursor without any other feedback might think that your application is frozen and quit it using the Force quit window.
如果用户看到这个光标而您的程序没有任何反馈的话，用户可能认为您的程序已经失去响应从而强制退出您的程序。
Users who see this cursor without any other feedback might think that your application is frozen and quit it using the Force quit window.
应用推荐