In this list you will find most of the Google Play Store version and I collected from the Web.
–PlayStore v5.3.6
–PlayStore v5.4.11
–PlayStore v5.4.12
–PlayStore v5.5.8
–PlayStore v5.5.9
–PlayStore v5.5.11
–PlayStore v5.5.12
–PlayStore v5.6.6
–PlayStore v5.6.8
–PlayStore v5.7.6
–PlayStore v5.7.10
–PlayStore v5.8.8
–PlayStore v5.8.11
–PlayStore v5.9.11
–PlayStore v5.9.12
–PlayStore v5.10.29
–PlayStore v5.10.30(Currently this version installed in E3)
–PlayStore v5.12.9
–PlayStore v5.12.10
–PlayStore v6.0.0(LATEST ONE)