It solves practice lessons automatically or manually, DuoSolverSmart link to a solution superior to DuoSolver. To increase xp automatic by a bot at different speed use DuoSolverGrinder tool (https://duosolver.is-great.net).
Glad you liked it!, planning to add new features and more xp on the extreme fast mode, hope can make it.
Good!
Love the 500xp/s extreme fast mode on the other tool!