Icon&Promo Image for 2 Mobile Android Kids Games

Information for the business: Kids Android games
Design details: Looking for a creative graphic designer to develop 2 icons/promo images to be used for
* 1 upcoming android mobile app
* 1 existing app (toddler shapes lite)

Interested applicants should have a prior work experience in designing icons for android apps.
Please also include links to your portfolio or previous work.
Target audience: Parents of Young kids & kids
Ideas for the visual style: See Android Play Store or Apple App store for numbers and shapes kids games. It should be "fun" (i.e. not too dry or serious)
Things to avoid: Words On the design - I'd like to internationalize it
Urls to draw inspiration from: https://play.google.com/store/apps/details?id=maddy.toddlershapesfree
Where the design will be used: Android Play Store & Mobile app
Extra notes: The Icons
(1) This is the current application, It teaches mostly shapes, letters, colors and numbers
I'd like an improved logo
https://play.google.com/store/apps/details?id=maddy.toddlershapesfree
- it will replace the existing picture with 4 shapes and blue background.

(2) The other app is a numbers teaching game which has not been released yet - it includes counting, adding, sequences of numbers. I can send screenshots if it helps.
The icons are to be used for the android app, but will also be the primary picture on the app store too.

Details on the designing process are here -
http://developer.android.com/design/style/iconography.html

I need the large size - the icon sizes themselves are optional since i can do the resizing myself. BUT, the image must work as a promotional large image AND as an icon. Optionally if you can't get that to work, providing 2 separate ones for promo & icon are fine too (e.g. where certain detail is removed)