I am making useful apps , Maybe useless apps. I hope you like these gadgets, but I know it’s impossible Advertising is entirely due to lack of money, of course, who is not lacking. If you don't dislike it, click the advertisement,although not earn much. If you have good suggestions or ideas for my apps or others, feel free to contact me. If you want to have your own apps, you can pay for me to do it . Give me good reviews on Play Store,It will be my motivation to continue. Thanks!