A virus is a program that replicates itself by attaching to another program. In the case of smartphones, to date we have not seen malware that replicate itself like a PC virus can, and specifically on Android this does not exist. However, there are many other types of Android malware. Most people think of any malicious software as a virus, even though it is technically inaccurate. Fraudsters make it their job to disguise malware as innocent-looking mobile apps on app stores and websites.”]
Source: https://hackercombat.com/knowledge-base/cell-phone-virus-should-you-worry-about-it/