iPhone to follow, but for now you can grab the Android App here
Android Daily Chess Puzzle App
Not related to RHP, other than this is a side project using the same RHP App board code from the recent Android app update.
Have a go, if you like it, please leave a review on the app store. Thanks!
edit : And now on iPhone & iPad.
edit again : If you are an Android player, who likes word games like Wordle, take a look. Alternatively, classic Minesweeper & Sudoku.