update v2.0.0 readme for android
update v2.0.0 readme for android

uestc-igem-2014/CRISPR-X,uestc-igem-2014/CRISPR-X,uestc-igem-2014/CRISPR-X,igemsoftware/UESTC-Software_2014,igemsoftware/UESTC-Software_2014,igemsoftware/UESTC-Software_2014,igemsoftware/UESTC-Software_2014,igemsoftware/UESTC-Software_2014,igemsoftware/UESTC-Software_2014,uestc-igem-2014/CRISPR-X,uestc-igem-2014/CRISPR-X,uestc-igem-2014/CRISPR-X