Default [Q] China GPS with Android 4.1.1

hi, i just bought china gps with android based 4.1.1 with allwinner A13 ME74 processor and 512RAM, but i have a problem with this unit when turn on only show like on attachment there is no launcher so that i can not see the menu like android phone as usual, also in setting there is no choice to change the language, i need an advice how to enter the launcher because i want to install some application to this gps and is there a way how to change a language ? thank you
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