Updates
B1.1 - Added all maps for Stimulus and Resurgence
B1.2 - Added higher quality maps for Stimulus and Resurgence and added a zoom feature
B1.3 (target date of ???) - Added all multiplayer weapons and attachments
Unfortunately the app submission process has changed and updates are now being blocked, because the powers that be are stating that parts of this application which have already been approved 3 times are now not valid.
Modern Warfare 2 Helper is a utility application that provides multiplayer maps, experience charts, information on how to unlock emblems, titles, and perks, a calculator for determining the needed kills to improve your kill/death ratio, a calculator for determining how long it takes to achieve ranks in multiplayer, and all weapons (as of version B1.3).
Experience Chart - The experience section lists all of the icons and names for each multiplayer rank along with the experience required to achieve each level from the previous level, as well as the total amount of experience required.
Emblems - The emblems section lists all of the available emblems in the game along with their icon, title, and information on how to unlock them. Emblems can be viewed one page at a time for the 7 total pages, or all at once using the search features.
Titles - The titles section allows you to search all of the available titles in the game by keywords or to view them all at once. The resulting search shows the images for all of the found titles, and selecting a title will show all of the information on how to obtain it.
Perks - The perks section lists all of the available perks in the game with their icon, as well as their name, information on what the perk does, when the perk is unlocked.
Maps - The maps section lists the maps for multiplayer. In version B1.1 all maps including for Stimulus and Resurgence are present. In version B1.2 higher quality versions of the Stimulus and Resurgence maps were added.
Experience Calculator - The experience calculator takes a level and prestige and the desired level and prestige and calculates the amount of experience required. You then specify an average amount of XP per game, the games you play per day, and the days per week you play and the amount of time in weeks and years is calculated to achieve the specified rank progression.
Kill/Death Calculator - The kill/death calculator takes total kills and total deaths in order to calculate the kill/death ratio. You then can specify a target kill/death ratio and the calculate will tell you many kills you need to achieve it.
Weapons (version B1.3) - Lists all of the weapons that can be used in Multiplayer and their stats. Also includes all of the information regarding attachments for each weapon.