On a regular day, Android users usually download smartphone apps such as games, social networking, utilities, photo editor and multimedia. A lot of these applications have gained high ranking and good ratings from users and even get paid for full versions.

And in the impending doomsday event, several applications are also available in the Google Play Store for those who want to be ready just in case the click really ticks off.

The top five are:

1. Doomsday Preppers

Like what the app name is, it an application which allows user to get full length videos from the NatGeo popular TV shows Doomsday Preppers, insights, blogs, and more to help during a survival crisis.

It also features guidelines for certain emergency scenarios such as Stuff You Need to Survive When Disaster Strikes, Survival Guide for Any Climate, for Any Situation, and Primitive Skills and Crafts: An Outdoorsman's Guide. The application is free for download.

2. Mayan Doomsday Widget

For those who wants to keep track the entire date of December 21, 2012, this Widget has been downloaded by more than 50,000 users and has a 4.3/5 rating from 444 total ratings in Google Play.

The app has 3 widget types with a resemblance to the Mayan stone clock. The first widget is a 4x2 with days, hours, minutes and the text "before doomsday." The second one is the EoW party version which occupies 4x2 in the homescreen displaying days, hours, minutes and the text "End of the World." The last widget type is the same as the first, except the countdown timer adds seconds in the clock for more suspense. Mayan Doomsday Widget is free for download.

3. Doomsday 2012 Survival Guide

This is a collection of data from the world's experts on survival. The app contains preparative information to survive without the comfort and convenience that humans depend on in everyday living.

Information such as First Aid, Food & Water, Obtaining Shelter and Basic Security comes with the app. By the way, the app costs $0.99 and it's cheap if it contains authentic info.

4. Doomsday Survival Guide

Just in case you do not have credit card to buy mobile apps, this one gives out important notes about what to do during doomsday for free. According to the description of the app, it explains how to prepare during "all hell breaks loose" situations like earthquakes, hurricanes, meteor impact, heat waves, comet attack, tsunamis, melting ice sheets, flaming oceans and zombie outbreak.

It sounds really crazy in its description but the app itself contains information about polar shifts, things need to know to survive, basic survival ideology, survival kit, list of environmental injuries, getting water and cleaning it for drinking, shelter guide, gadgets and other tips.

5. Live Wallpapers and Apocalyptic Ringtones

There are several available in Google Play and most are free such as the 2012 Doomsday Live Wallpaper, Live Wallpaper HD: Doomsday which features a timer on the screen, and 2012 Doomsday which features high quality doomsday theme ringtone and several HD wallpapers of a doomsday event.