Online auction house eBay on Wednesday announced it has bought mobile gadget application maker Critical Path Software as it follows buyers and sellers onto smartphones and other devices.

Online auction house eBay on Wednesday announced it has bought mobile gadget application maker Critical Path Software as it follows buyers and sellers onto smartphones and other devices.

"We're very serious about innovating in mobile commerce," said Mark Carges, chief technology officer of global products at eBay .

"Integrating the Critical Path Software team into eBay will be a big win for mobile around the world... we can make shopping and selling anywhere, anytime, for almost anything, even better."

Critical Path has worked with California-based on applications that let smartphone users connect with the online auction house as well as its other services such as classified ads; ticket marketplace StubHub, and Shopping.com.

Financial terms of the deal were not disclosed.