You can easily find your tasks by using a keyword or number (i.e. Contract Number)
All tasks are listed in cards view, allows you to see quick info, take actions, without opneing tasks.
Nintex Approval Center is able to link to your legacy systems, and fetch other tasks.
Nintex Approval Center gives you quick Quick Glance Dashboard provides you with high level reporting about pending tasks.
One page to manage all your tasks and to See the number of actions assigned to you, no need to search for your tasks, because everything requires your attention now in one place.