You are right! "Ice Cream"
"A new Android OS version, codenamed Ice Cream, is scheduled for a release some time in June or July says Pocket-lint, citing “multiple sources familiar with the matter.” Pocket-lint’s sources say Google will announce Ice Cream at its I/O developer conference this May in San Francisco."
check out here:
http://www.pcworld.com/article/216458/nextgen_android_os_ice_cream_hitting_phones_this_summer.html
