How many times have you called a phone number only to forget who the number belongs to? Or perhaps someone called you and you forgot to add the name to your contacts list. In certain situations, numbers aren't really worth keeping, as you will only use them for a few hours or maybe a day.

XDA Forum Member sreenisatish came up with an idea to create something between a sticky and contact book. Qcktag allows its users to tag numbers both from incoming and outgoing calls, so you can keep numbers not exactly worth keeping in your phone's memory without losing the ability to identify the caller. After opening an app, you can send a text message to the pseudo-contact or add them to your true contact list.

The idea behind this app is pretty brilliant because it keeps your phone's contact list tidy and you won't mistake any these numbers for truly unknown numbers. The app doesn't require root access, and it works on every device with Android 4.0.4 Ice Cream Sandwich and greater.

You get this application by visiting the Qcktag thread. If you like the concept, go there and give Qcktag a try.