Welcome to the community!
If you're new to Jira Cloud, I might suggest the Jira Cloud apps for iOS and Android so you can get notified about issues on the go.
Links for the official Jira Mobile apps are here:
Android:
https://play.google.com/store/apps/details?id=com.atlassian.android.jira.core
iOS:
https://itunes.apple.com/au/app/jira-cloud/id1006972087?mt=8
If you have any questions about the apps or Jira in general feel free to post in the community :)
Recommended Learning For You
Level up your skills with Atlassian learning
Learning Path
Get the most out of Jira
Explore the interface and basic Jira terms, then discover how to effectively manage your work.
Learning Path
Atlassian tools and practices for developers
Focus on your development work by using Jira software features and functions efficiently.
Atlassian Certified Associate
Jira Software Essentials certification
Demonstrate proficiency in utilizing essential Jira features and working efficiently with Agile frameworks like Kanban and Scrum.