Last week we went over changing your backlight timeout options. There are certain situations you’re going to want to keep your backlight on shorter, like when you’re just periodically checking your BlackBerry. Yet there are times when you’ll want that screen lit up longer. Unfortunately, your BlackBerry only allows you to leave your backlight running for two minutes. I’m not sure why there’s not an option to enter the number of minutes, but I’m often mystified at what basic functions aren’t available natively on the BlackBerry. In any case, you probably only want to keep your backlight on for certain applications. That’s where Leave It On can help. The application lets you set custom backlight timeouts for up to eight applications. Once you install Leave It On, you can create custom backlight settings for up to eight applications. Once you launch those applications, Leave It On automatically goes to work. There is also an option that allows you to leave the backlight on for all applications. This is especially useful when charging the device — though you can set Leave It On to keep the backlight alight when charging or connected via USB. As a bonus, the application comes with message notification pop-ups. So when you get an email, BBM, SMS, or message from a number of different applications, Leave It On will let you know. It seems a bit odd of an add-on, but hey, it seems like a useful function. Leave It On has recently come down in price, and you can get it on a free trial, something I always look for in an app. You can get Leave It On for $3.99 at the BBGeeks Store.