How to Disable App Nap Per-App in OS X Yosemite

App Nap feature was designed to cut CPU and other computer resources to power-hungry applications when those applications are not currently in use.
It's one of several OS X features that has helped increase the battery life on Mac portables, but unfortunately, this feature isn't without downsides. If you're noticing that applications don't complete their tasks in a reasonable amount of time, then it could be due to resources for those apps being cut when they are backgrounded or left unattended.

To disable App Nap for certain app follow these steps:

Step 1. Go to Applications folder
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