A simple system for turning a room into a tabbed inventory or shop using views. This system uses nested views, allowing you to show a shop or inventory background and interface, while viewing a separate portion of the room for the inventory items.
This principle can be extended to incorporate an inventory "overlay" onto any game, but that implementation is not demonstrated in this asset.
The 172 object sprites included with this asset are from the general RPG Maker library. The PSD file used to generate the tabs and other background assets is included as a bonus.
An example of this free asset may be seen via the browser: http://stormingleech.com/gamemaker/Tabs/