After my BV6000s was fully discharged and turned off I power it on using a standart adapter and for every app from google play now has its own clone or shortcut. Now I can't delete them! What should I do?

I have no bv6000s test device and don't know your hard- and software version but it sounds like the launcher had been reset. Check if there is a setting to change the launcher to two level mode. If not you could try to install an other launcher from play store.