What is the GoldFishQQQ: Expense tracker application, how does it work?

According to the introduction of GoldFishQQQ, GoldFishQQQ: Expense tracker is a Finance app on the Android platform. There is currently a 8.377 version released on Jan 25, 2020, you can see the details below.

√.Property Management.
√.Debt Tracker.
√.Balance Sheet.
√.Budget
√.Dashboard
√.Voice input billing.
√.Multiple accounts.(Assets, Liabilities)
√.Repeating Transactions Manager
√.Upcoming/overdue bill reminders
√.Estimated Future Balances.
√.Android money manager
√.Search historical accounts by keyword.
√.Last time spending reminder.
√.Expense categories pie chart.
√.Income categories pie chart.
√.Comparison of last month and this month's expense bar chart.
√.Export transactions to CSV for use in a spreadsheet.
√.Daily income summary.
√.Daily expense summary.
√.Daily balance summary.
√.Monthly income summary.
√.Monthly expense summary.
√.Monthly balance summary.