iPlan 1

the author of this app says:

iPlan lets you easily and dynamically review Hotels that use MeetingMatrix iPlan Interactive Floor Plans for your next meeting or event. Using crisp, clean interactive floor diagrams you can evaluate and preview guest rooms and event spaces with your iPhone or iPad. Simply select a hotel from the list. You first see an aerial view of the hotel and surrounding area with highlighted points of interest. Pinch, scroll, and zoom to drill down into interactive floor plans and individual room diagrams. At the room level you see detailed capacity charts for a variety of room setups. This app is a great way to select the right hotel for your next event.
Features include:
Hotels listed by country
Drill down functionality lets you explore hotel in detail
Birds eye view of hotel and surrounding area
Stacked floor plans give overall hotel layout
Individual floors show room to room detail
Meeting room diagrams provide multiple setup options and seating capacity for each setup

Requirements

Requires iOS 4.0 or later.