Lovable monkey's fans may enjoy, but activities need work.

Aim is to kill off humans with disease in slow, passive app.

Clever and challenging addition and multiplication practice.

Colorful strokes and fun sound effects, but not much more.

Handy but dull pocket reference guide to U.S. states.

Free game portal offers dozens of titles, many of them iffy.

Creative tool great for making personalized stories, games.

Cartoonish shooter an addicting companion to console hit.

Arcade game is fast-paced fun with tangible goals.

Entertaining but tricky; best for serious puzzle fans.

Grammar errors, unintuitive interface make space app a dud.

Obvious but decent Angry Birds clone adds chocolate to mix.