SMobile said its software will scan the G1 for more than 400 types of mobile malware, including viruses, worms and Trojans that can spread between mobile phones via the memory card. If new types of malware appear, SMobile's software will detect it and provide "timely" updates for users, it said.

Android users can buy the software at the company's or at Handango, an online store for mobile applications. VirusGuard for Android costs US$10. Once the Android Market begins allowing developers to charge for applications, the software will be available there, SMobile said.

SMobile offers antivirus software for other phone platforms, including Nokia's S60. Nokia, the number-one cell phone maker in the world, and thus the best target for hackers, SMobile's software on its Web site.