Мои Дивиденды: Convenient Dividend Calendar and Calculator is a free Android application developed by Mikhail Valuyskiy. It is a business and productivity app that falls under the finance subcategory. The app is designed to help investors keep track of their dividends and build a high-yield dividend portfolio.

With this app, users can calculate dividend payments and future portfolio returns using the built-in dividend calculator. The app also features a convenient dividend calendar that allows users to set reminders for ex-dividend dates and purchase stocks at the right time. The app also provides daily updates on stock quotes.

Users can create and manage multiple portfolios for tax-free accounts and trading, and quickly find securities, stocks, and bonds with the highest dividends using relevant filters and a convenient search. Users can also select and save the best stocks and bonds for investment in their portfolios or favorites.

Overall, Мои Дивиденды is a useful tool for dividend investors and provides a comprehensive suite of features for managing dividend investments. The app is easy to use, and the daily updates ensure that investors are always up-to-date on their investments' performance.