can i get google tasks on android

Use web, use: this link https://mail.google.com/tasks/android .
For coder, user google tasks API at:
https://developers.google.com/google-apps/tasks/oauth-and-tasks-on-android
https://developers.google.com/google-apps/tasks/

Some apps on google plays
https://play.google.com/store/apps/details?id=ch.teamtasks.tasks&hl=vi
https://play.google.com/store/apps/details?id=org.dayup.gtask