ok the first app I would recommend to download is AppShopper.
It has a handy little tracking feature that sends you a notification when an app on your want list falls to everyone's favourite price – Handy for 1 day only freebies
Others to consider
A Monster ate my homework – Knock the monsters off the stand
Scene It Movies 2 – movie quiz game based on the board game
Maya Pyramid – Solataire type game
Burn The Rope – Twisty Turny Uppy Downy side to side game that involves you trying to burn as much of a rope as possible
Time Geeks Find Them All – Find the item game but with throwback 8 bit graphics
Run Like Hell – jumpy ducky chasey chasy game
Gamebook Adventures 1-6 – Just like the old school gamebook adventures like warlock on firetop mountain with intergrated dice. You must supply your own pencil and graph paper for maps though
iSlash – swipe the object and remove sections but don't hit the ninja stars
Top Gear Stunt School – a stunt school typer game based on top gear
Shady Puzzles – a bit like suduko but without the numbers
Tiger Woods 12 – it's tiger woods but on your iphone (imagine tiger woods 09 for consoles and you have tiger 12 for ios)
Twiz Show – a gameshow that is based on your twitter account and invovles your twitter followers and followees
Star Dunk – basketall in space but with global leaderboards
1000 Heroz – run from one side of level to the other jumping holes and rocks. a new hero (level) every day and we are only at about 180 so far.
King Idiot 1 – A Game inspired by the pc flash game "the impossible game"
King Idiot 2 – please see above and imagine a sequel
ZX Spectrum Emulator – does exactly what it says on the tin. a few free games to start you off but then you have to pay for further games
Horse Frenzy – the horse racing game you find at theme parks and funfairs
Tiki Premium – Remove the bricks but don't drop the tiki totem
Thief Pro – crack a multitude of safes in a variety (5) of different ways
Quarrel – The bastard lovechild of scrabble and R.I.S.K.
ITV player – Like BBC iPLayer but on your iPhone and for ITV stations
Sky GO – If you are a sky customer watch sky sports and sky movies on your ios device, if you are not a sky customer, watch nothing.
Songify – Say Something random and Songify will make it into a song
Midlife Gamer – Listen to old shows without downloading them, listen to new shows without downloading them. Get shiny bonus content from the boys.
Yahoo Messenger / MSN Messenger / Skype – No Need to explain
Geocaching – Great little app if you geocache
Red Laser – Go into shop, find item you want, scan barcode, go to different shop where it is cheaper
Shazam – Play shazam a piece of music and it will tell you the name of the track and the artist
VidRhythm – Look up MLG Vidrhythm on youtube for a demonstartion from Matt & Daren as to wgat this app does
AroundMe – Using GPS this app locates your current location and recommends varoius places based on catergories such as bank, hospitals, petrol stations, restaurants etc.
Thats about all I can think of just now