This app allows you to manage a list of apps to open automatically at startup (when you turn on or restart your smartphone).

NOTES
• The apps will not be opened immediately but when the system is ready
• The selected apps will be opened automatically and brought to the foreground

Features and Benefits

• No root
• Ability to open multiple apps
• Ability to set app startup order
• Startup app manager
• Easy to use

TROUBLESHOOTING
https://julietapp.blogspot.com/p/troubleshooting-general.html

Boot Manager, Auto Start Apps, Launch on Boot