Is it possible to install OSMC for Vero V, on an android box with Amlogic S905X4, 4GB ram?
No. You may be able to run LibreELEC, CoreELEC, or other similar distros on whichever Android box you have, but OSMC only runs on Vero’s, Raspberry Pi’s, and (now unsupported) original Apple TV’s.
The Vero’s are not off the shelf Amlogic boxes that just had an OS slapped on them. They are bespoke hardware that are tightly integrated with the software that run on them.
No - OSMC is designed for S905X4-O, which is a bespoke SoC for OSMC.