Investors hot for mobile apps; Google's Page to replace Schmidt as CEO;

> Investors hot for mobile apps.

> Google's Page to replace Schmidt as CEO.

> Millennial Media unveils Windows Phone  7 mobile ad SDK.

> Appcelerator snaps up Aptana.

> Zynga acquires social game developer Area/Code.

> Apple's iTunes revenues top $1.1 billion in Q1.

> Mobile development platform Kony Solutions raises $19.1 million.

And finally... Madrid hotel constructed from beach garbage.