Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Title | Release | Genre | Computer | Console | Handheld | Smartphone |
| --- | --- | --- | --- | --- | --- | --- |
| Bionicle Heroes | 2006 | Third-person shooter | Windows | PlayStation 2, GameCube, Xbox, Xbox 360, Wii | Nintendo DS | — |
| Bionicle: Matoran Adventures | 2002 | Platformer | — | — | Game Boy Advance | — |
| Bionicle: Maze of Shadows | 2005 | Turn Based RPG | — | — | Game Boy Advance | — |
| Bionicle: Tales of the Tohunga | 2001 | Adventure | — | — | Game Boy Advance | — |
| Bionicle: The Game | 2003 | Adventure | Windows, OS X | PlayStation 2, GameCube, Xbox | Game Boy Advance | — |
| Drome Racers | 2002 | Racing | Windows | PlayStation 2, GameCube, Xbox | Game Boy Advance | — |
| Island Xtreme Stunts | 2002 | Action-adventure | Windows | PlayStation 2 | Game Boy Advance | — |
| Lego Alpha Team | 2000 | Action | Windows | — | Game Boy Color | — |
| Lego Battles | 2009 | Real-time strategy | — | — | Nintendo DS | — |
| Lego Battles: Ninjago | 2011 | Real-time strategy | — | — | Nintendo DS | iOS |
| Lego Chess | 1998 | Strategy | Windows | — | — | — |
| Lego City Undercover | 2013 | Open world, Platform game | — | Wii U | — | — |
| Lego City Undercover: The Chase Begins | 2013 | Open world, Platform game | — | — | Nintendo 3DS | — |
| Lego Creationary | 2011 | Puzzle | — | — | — | iOS, Android |
| Lego Creator | 1998 | Construction and management simulation | Windows | — | — | — |
| Lego Creator: Knights Kingdom | 2000 | Construction and management simulation | Windows | — | — | — |
| Lego Friends | 2013 | Miscellaneous | — | — | Nintendo DS, Nintendo 3DS | — |
| Lego Island | 1997 | Action-adventure | Windows | — | — | — |
| Lego Island 2 The Brickster's Revenge | 2001 | Action-adventure | Windows | PlayStation | Game Boy Color, Game Boy Advance | — |
| Lego Knights' Kingdom | 2004 | Action-adventure | — | — | Game Boy Advance | — |
| Lego Legends of Chima Online | 2014 | Massively multiplayer online (MMO) | Windows | — | — | — |
| Lego Legends of Chima: Laval's Journey | 2013 | Action-adventure | — | — | Nintendo DS, Nintendo 3DS, PlayStation Vita | — |
| Lego Legends of Chima: Speedorz | 2013 | Racing | Windows | — | — | iOS |
| Lego Loco | 1998 | Virtual world | Windows | — | — | — |
| Lego Minifigures Online | 2014 | Massively multiplayer online (MMO) | Windows | — | — | iOS, Android |
| Lego My Style Kindergarten | 2000 | Educational | Windows, Mac OS | — | — | — |
| Lego My Style Preschool | 2000 | Educational | Windows, Mac OS | — | — | — |
| Lego Ninjago Nindroids | 2014 | Action-adventure | — | — | Nintendo 3DS, PlayStation Vita | — |
| Lego Ninjago: The Final Battle | 2013 | Platformer | Windows | — | — | — |
| Lego Racers | 1999 | Racing | Windows | PlayStation, Nintendo 64 | Game Boy Color | — |
| Lego Racers 2 | 2001 | Racing | Windows | PlayStation 2 | Game Boy Advance | — |
| Lego Rock Raiders | 1999 | Real-time strategy, Action | Windows | PlayStation | — | — |
| Lego Soccer Mania | 2002 | Sport | Windows | PlayStation 2 | Game Boy Advance | — |
| Lego Stunt Rally | 2000 | Racing | Windows | — | Game Boy Color | — |
| Lego Universe | 2010 | Massively multiplayer online (MMO) | Windows, OS X | — | — | — |
| Legoland | 1999 | Simulation strategy | Windows | — | — | — |
Question:
how many games were released for smartphones?
Answer:
4