Android has ton’s of customization options. One of them is Screen Controls, it lets you to set custom Brightness and Screen timeout settings for individual Android apps. When we start reading on apps like Flipboard, Pulse or Feed Readers with over brightness and screen time out and suddenly phone locks.
You can over come this situation by using Screen Timeout, the main app interface contains three tabs All Apps, Favourites and Running apps. Or you can search particular app by entering name in the search box. After selecting the particular app set your preferred values for screen timeout and screen brightness by dragging the slider and save the settings. The Screen Controls is available for both free and paid version in Google Play Store.