i cant delete some apps from my iphone 4s with ios 7 and these apps dont work and cant be deleted and their icons appear in black color on my iphone what can i do.????

Hi andyhany,

Thanks for visiting Apple Support Communities.

It sounds like the apps may not have downloaded to your iPhone completely. I recommend trying the solution from this discussion thread first:

App updates won't download on my iPhone, they just say waiting.

https://discussions.apple.com/thread/4111336

Try tapping the App, so that it changes to Paused instead of Waiting, then tap it again to resume the install.

Make sure you don't have any paused downloads in other apps either, like the App Store or iTunes Store.

If that doesn't do it, try resetting or restoring the iPhone.

Regards,

Jeremy