Hey!
Thank you so much for your appreciation, hope Ruthless Launcher gave you joyful experience. Your appreciation will motivate me for further improvisation and maintainence of my current apps and develop new ones in future. You can find necessary information below.
For people who are not resident of India can donate using Paypal:-
Paypal: http://paypal.me/shubbyychan
For people who are resident of India can donate using UPI:-
UPI: shubhamchandiokm@okicici