Can I use android app on PC?

If you want to bypass android-x86, you can download and try the BlueStacks App Player for free. Once installed, the app player gives you access to the Android Market so you can download free apps from there.

Did you try these instructions: https://web.archive.org/web/20160310001352/http://www.android-x86.org/documents/apphowto - Updated to use Archive.org link.

As of August 2020, I now use BlueStacks to run Android applications on a Windows 10 PC using Hyper-V. Here are the instructions to do that.