[Windows Phone 7 General] prjkthack:
Alright, I figured, it'd be nice to see what all the new Mango APIs can do, and the only good way of doing that is to download and play with an application that takes advantage of Mango specific features. Especially since there aren't many at the moment, and most devs are hesitant to make the jump.

So here are the apps found so far on the Marketplace that are 'mango-enabled':

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4th & Mayor •

-multiple start tiles, deep linking

About Me ◊

-local live tiles

attentive phone (for HTC devices) ◊

-installs to settings

Bandwidth ◊

BBC News Beta

-background agent, multiple start tiles, toast notifications

Beards and Beaks ◊

Catch Phrase Party ◊

Compass ◊

-compass

ConnectivityShortcuts ◊

-multiple start tiles

Custom Tiles Maker Pro ◊

-multiple start tiles

EncryptText ◊

-double-sided tiles

Evernote ◊

-multiple start tiles, deep linking

Flixter ◊

-multiple start tiles, deep linking

Flowerz ◊

Fortune Coins (for LG devices) ◊

-camera, compass

Four In A Row ◊

Foursquare ◊

-multiple start tiles, deep linking, app extras

Gchat

GooNews ◊

gReadie ◊

-multiple start tiles, deep linking, background agent, local live tiles

i'm a WP7 ◊

Insider ◊

-ringtones

Locations (for HTC devices) ◊

-multiple start tiles, deep linking, compass

MagikMail •

-double-sided tiles

Metro Scanner (for LG devices) ◊

-camera, compass

moTweets ◊

MSN Movies ◊

-app extras, deep linking

myMedia WP7

-background audio

NextGen Reader ◊

Network Dashboard ◊

-multiple start tiles

Now (for Samsung devices) ◊

-multiple start tiles, deep linking

OpenTable ◊

Parachute Panic ◊

-custom ringtones

Park It ◊

-multiple start tiles, deep linking

Photo Enhancer (for HTC devices) ◊

Pic2shop ◊

-camera

RemoteDesktop ◊

Rise Of Glory ◊

Rocket Riot ◊

Sat Rad Player ◊

-background audio

SelfTimer ◊

-camera

ScanSearch (for LG devices) ◊

-camera, compass

Slacker (for T-Mobile devices)

-background audio, multiple start tiles, deep linking

sound enhancer (for HTC devices) ◊

So What's Today ◊

-multiple start tiles, local live tiles, deep linking

Stopwatch ◊

Tasks ◊

-multiple start tiles, deep linking

Teletext ◊

-multiple start tiles, deep linking

Tiny eBook Reader ◊

-double-sided tiles

WeatherLive ◊

-double-sided tiles, background agent, deep linking, local live tiles

Weave ◊

WhatsApp ◊

-contacts

White Light * ◊

-camera

Windows Phone Insider ◊

-ringtones

Wonder Reader ◊

-background agent, local live tiles, multiple start tiles, deep linking, double-sided tiles

WPCentral

-multiple start tiles, deep linking, double-sided tiles, background agent, notifications, local live tiles

Xbox Live Extras ◊

◊ Confirmed to be built on the Windows Phone 7.1 SDK, capable of using everything Mango supports.

• Is not based on the Windows Phone 7.1 SDK but does have some Mango-only features.

* Looks like the White Light app is working just fine on the Samsung Focus, but does not work on some other devices (such as the Dell Venue Pro, or HTC HD7/HD7S). Also, while Mango does not officially support an API to control the LEDs on a device, this app takes advantage of a workaround in Mango's new Camera API to make it work.

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If you find anymore, reply and I can add them to the list. Let's see if we can get a nice list together and find out what these apps are capable of. Note that I'm particularly only looking for apps that have been published and are available on the Marketplace at this very moment, or even those of you developers that have apps in the works (and have .XAPs available to test out). I will make an attempt to test each app found and log it's use of Mango's features.

Mango Capability Key

multitasking/resume* - the ability for the app to quickly resume (aka fast task switching) when you go back to it (either from the back button, or the new task switcher).

background agent - the ability for the app to run a particular task in the background at particular intervals.

background audio - the ability for an app to play audio in the background when the app is not active and/or take advantage of the on-screen media controls.

deep linking - being able to open a link or pinned item outside of the app or within a Bing search card and be taken directly to a particular part of that app.

multiple start tiles - being able to pin more than 1 tile to the start screen for the same app (usually used as part of deep linking).

app extras - the ability to be displayed within a Bing search card when a particular search is done.

notifications - the ability to display local toast notifications (not push based).

local live tiles - the ability to update and provide live tiles locally on device (not push based). normally used in combination with a background agent.

double-sided tiles - app uses double-sided (front and back) tiles to display information (either push or local).

camera - use of the camera within the app.

compass - uses the hardware-based compass.

installs to settings - app is accessed from the settings menu.

ringtones - app has the ability to set or load custom ringtones onto a device.

contacts - has access to the phone's built-in contact list.

*Because all apps have multitasking and fast resume baked in when they are compiled as Mango apps with the 7.1 SDK, I decided that it doesn't make much sense to list it for every app.